Station Crew Expands to Ten, Begins Working Together

Astronaut Matthew Dominick receives a haircut from astronaut Loral O'Hara.
Astronaut Matthew Dominick receives a haircut from astronaut Loral O’Hara.

Ten crewmates now reside aboard the International Space Station after the arrival of the Soyuz MS-25 crew ship on Monday. They will live and work together the next several days before returning to a seven-member crew again and beginning the Expedition 71 mission in early April.

NASA astronaut Tracy C. Dyson arrived at the orbital lab on Monday with Roscosmos cosmonaut Oleg Novitskiy and Belarus spaceflight participant Marina Vasilevskaya. Dyson will stay in space for about six months as a member of the station crew. Novitskiy and Vasilevskaya will return to Earth with NASA astronaut Loral O’Hara on April 6.

The trio will return to Earth inside the Soyuz MS-24 spacecraft that has been docked to the Rassvet module since Sept. 15, 2023. O’Hara will have lived and worked on the orbital outpost for six-and-a-half months having conducted advanced space research and one spacewalk.

Dyson and her two Soyuz crewmates will be spending the next few days familiarizing themselves with space station systems. Next, they will turn their attention to a host of science and educational activities before returning home while Dyson stays in space until later this year.

Station flight engineers Matthew Dominick, Mike Barratt, Jeanette Epps, and Alexander Grebenkin are in the first month of their mission having arrived at the station on March 5 aboard the SpaceX Dragon Endeavour. They will stay in space until mid-summer researching a wide variety of phenomena including neurodegenerative diseases, the effects of microgravity and radiation on plants, and preventing space-caused fluid shifts in astronauts.

Cosmonauts Oleg Kononenko and Nikolai Chub are due to stay in space for just over a year helping doctors understand how living long-term in microgravity affects the human body. The duo will depart the space station inside the Soyuz MS-25 spacecraft and bring home Tracy Dyson in early fall.


Learn more about station activities by following the space station blog@space_station and @ISS_Research on X, as well as the ISS Facebook and ISS Instagram accounts.

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Dragon Spacecraft Docks to Station With New Science, Supplies

The SpaceX Dragon cargo spacecraft docks to the International Space Station's Harmony module at 7:19 a.m. EDT Saturday, March 23. Credit: NASA TV
The SpaceX Dragon cargo spacecraft docks to the International Space Station’s Harmony module at 7:19 a.m. EDT Saturday, March 23. Credit: NASA TV

While the International Space Station was traveling more than 262 miles over the South Atlantic Ocean, a SpaceX Dragon cargo spacecraft autonomously docked to station’s Harmony module at 7:19 a.m. EDT, with NASA astronauts Loral O’Hara and Michael Barratt monitoring operations from the station.

The Dragon launched on SpaceX’s 30th contracted commercial resupply mission for NASA at 4:55 p.m. EDT, March 21, from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida. After Dragon spends about one month attached to the space station, the spacecraft will return to Earth with cargo and research.

Among the science experiments Dragon is delivering to the space station are:

Monitoring Sea Ice Thickness and Wave Height

(Nanoracks-Killick-1) is a CubeSat that measures sea ice parameters using Global Navigation Satellite System (GNSS) reflectometry or reflected signals. This monitoring system could contribute to a better understanding of important ocean phenomena and improved weather and climate models.

New Sensors for ASTROBEE

The Multi-resolution Scanner (MRS) Payload for the Astrobee (Multi-Resolution Scanning) tests a new set of sensors to support automated 3D sensing, mapping, and situational awareness functions. These systems could support future Gateway and Lunar surface missions by providing automated defect detection, automated and remote maintenance, and autonomous vehicle operations.

Improving Efficiency of Quantum-Dot Solar Cells

The Nano Particle Haloing Suspension payload tests the controlled assembly of nanoparticles in a liquid solution. A process called nanoparticle haloing uses charged nanoparticles to enable precise particle arrangements that improve the efficiency of quantum-dot synthesized solar cells. Conducting these processes in microgravity provides insight into the relationship between shape, charge, concentration, and interaction of particles.

Observing Photosynthesis in Space

Advanced Plant Experiment-09 (APEX-09), also known as C4 Photosynthesis in Space, observes carbon dioxide capture and mechanisms in two types of grasses. Researchers hope to learn more about photosynthesis and plant metabolism changes overall in space. Knowledge gained could support development of bioregenerative life support systems on future missions.

These are just a few of the hundreds of investigations currently being conducted aboard the orbiting laboratory in the areas of biology and biotechnology, physical sciences, and Earth and space science. Advances in these areas will help keep astronauts healthy during long-duration space travel and demonstrate technologies for future human and robotic exploration beyond low-Earth orbit to the Moon through NASA’s Artemis missions and eventually Mars.


Learn more about station activities by following the space station blog, @space_station and @ISS_Research on X, as well as the ISS Facebook and ISS Instagram accounts.

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Dragon Cargo Spacecraft Arriving to Station Soon Live on NASA TV

The SpaceX Dragon resupply ship carrying over 5,800 pounds of cargo approaches the space station above the south Atlantic Ocean on July 16, 2022.
The SpaceX Dragon resupply spacecraft, carrying over 5,800 pounds of cargo, approaches the space station above the south Atlantic Ocean on July 16, 2022.

A SpaceX Dragon is on track to arrive at the International Space Station today, Saturday, March 23, with an expected docking of the cargo spacecraft about 7:16 a.m. EDT. Live coverage is underway on NASA+, NASA Television, the NASA app, and the agency’s website.

When it arrives to the space station, Dragon will dock to the station’s Harmony module. NASA astronauts Loral O’Hara and Michael Barratt will monitor the arrival of the spacecraft.

Dragon successfully launched on a SpaceX Falcon 9 rocket at 4:55 p.m. EDT, March 21, from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida, carrying more than 6,000 pounds of research, hardware, and supplies to the International Space Station.


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NASA Science to Launch on SpaceX’s Dragon, Soyuz Crew Launch Update

The SpaceX Falcon 9 rocket blasts off with the Cargo Dragon resupply ship attached atop from the Kennedy Space Center on June 3, 2021. Credit: NASA/Kim Shiflett
The SpaceX Falcon 9 rocket blasts off with the Dragon cargo resupply spacecraft attached atop from the Kennedy Space Center. Credit: NASA/Kim Shiflett

New research and technology demonstrations for NASA are set to launch aboard the agency’s SpaceX 30th commercial resupply services mission to the International Space Station. Launch is targeted for 4:55 p.m. EDT Thursday, lifting off from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida. The U.S. Space Force 45th Weather Squadron predicts a 90% chance of favorable weather conditions at the launch pad for liftoff.

Live launch coverage will air on NASA+, NASA Television, the NASA app, YouTube, and the agency’s website. Learn how to stream NASA TV through a variety of platforms including social media.

SpaceX’s Dragon spacecraft will carry more than 6,000 pounds of cargo, including new science investigations, supplies, and equipment to the international crew aboard the orbiting laboratory. NASA and its partners will send studies aboard the mission on plant metabolism in space and a set of new sensors for free-flying Astrobee robots to provide 3D mapping capabilities. Other research includes a fluid physics study that could benefit solar cell technology and a university project from CSA (Canadian Space Agency) that will monitor sea ice and ocean conditions.

At the Baikonur Cosmodrome in Kazakhstan, the March 21 launch of the crewed Soyuz-25 spacecraft to the International Space Station with NASA astronaut Tracy C. Dyson, Roscosmos cosmonaut Oleg Novitskiy, and spaceflight participant Marina Vasilevskaya of Belarus was automatically scrubbed by ground support equipment due to low voltage reading in the Soyuz rocket electrical system. The next available launch opportunity is Saturday, March 23, pending completion of State Commission review for the Roscosmos launch. More information will be provided as available.


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Immunology Studies and Robotics for Orbital Residents as Crew and Cargo Craft Count Down to Launch

xpedition 70 Flight Engineer and NASA astronaut Jeanette Epps prepares tubes to collect samples from the crew for the Immunity Assay investigation.
Expedition 70 Flight Engineer and NASA astronaut Jeanette Epps prepares tubes to collect samples from the crew for the Immunity Assay investigation.

One crew and one cargo spacecraft on two different continents are counting down to launch as the seven orbital residents aboard the International Space Station spent Wednesday exploring how space affects the immune system, carrying out robotics activities, and connecting with students on Earth.

Three crew members are gearing up to launch from the Baikonur Cosmodrome in Kazakhstan on Thursday, March 21. NASA astronaut Tracy Dyson, cosmonaut Oleg Novitsky, and Flight Engineer Marina Vasilevskaya of Belarus will lift off aboard the Soyuz MS-25 spacecraft at 9:21 a.m. EDT and take a short ride to the station, docking only a few hours later at 12:39 p.m., joining the Expedition 70 crew in microgravity. This will be Dyson’s third trip to the orbital complex, where she will spend six months conducting research in low Earth orbit.

Only a few hours after the crew arrives, NASA’s SpaceX 30th commercial resupply mission will lift off from Space Launch Complex 40 in Florida. The Dragon cargo craft, scheduled to launch at 4:55 p.m. on Thursday, will carry an array of new science and technology investigations, as well as food and supplies for the crew. Dragon will orbit Earth before autonomously docking to the zenith port of the Harmony module at 7:30 a.m. Saturday, March 23.

In microgravity, the crew split up duties on Wednesday as they prepare for the upcoming station traffic. In the morning, Flight Engineer Matthew Dominick of NASA collected samples for the Immunity Assay investigation. Afterward, Flight Engineer Jeanette Epps of NASA processed the samples for the experiment. Immunity Assay looks at the impact of spaceflight on cellular immune functions in blood samples, tests that could only previously be conducted on Earth. With new tech, processing samples inflight helps researchers gain a better understanding of astronauts’ immune changes during long-duration space missions.

Dominick and Epps later teamed up to reconfigure some of the cameras aboard station that the crew uses to take photos of research, Earth, and more.

In the Japanese Experiment Module, Flight Engineer Michael Barratt of NASA powered on the free-flying Astrobee robots and conducted a Zero Robotics tech demonstration. Zero Robotics allows students on Earth to write software to control Astrobee, inspiring the next generation of scientists, engineers, and explorers.

Afterward, Barratt teamed up with Flight Engineer Loral O’Hara of NASA to conduct an ISS Ham Radio session with a school in Greece. During the session, Barratt and O’Hara answered questions from students about living and working in space.

In the Nauka module, Flight Engineer Nikolai Chub replaced air ventilation filters, then moved on to collect and process water samples from the Roscosmos water processing system. Flight Engineer Alexander Grebenkin practiced his piloting techniques during a Pilot-T session, while Commander Oleg Kononenko prepped for Soyuz’s arrival as he will be on deck to monitor the autonomous docking of the spacecraft.


Learn more about station activities by following the space station blog, @space_station and @ISS_Research on X, as well as the ISS Facebook and ISS Instagram accounts.

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Equipment Installs, Health Studies for Expedition 70 Ahead of Crew and Cargo Launches

NASA astronaut and Expedition 70 Flight Engineer Michael Barratt uses an iPad to review the on-orbit schedule for residents aboard the International Space Station.
NASA astronaut and Expedition 70 Flight Engineer Michael Barratt uses an iPad to review the on-orbit schedule for residents aboard the International Space Station.

Equipment installs, health investigations, and training occupied the schedule aboard the International Space Station on Tuesday as the seven orbital residents near the arrival of three crew members and a cargo delivery.

NASA’s SpaceX 30th commercial resupply mission to the station is scheduled for launch at 4:55 p.m. EDT Thursday, March 21 from Space Launch Complex 40 in Florida. The Dragon cargo craft will deliver food, supplies, and new science investigations to the crew, including a set of sensors for the free-flying Astrobee robots and a new botany experiment to examine how two types of grass capture carbon dioxide from the atmosphere. Dragon will autonomously dock to the zenith port of the Harmony module at 7:30 a.m. Saturday, March 23.

Ahead of Dragon’s liftoff, three crew members—NASA astronaut Tracy Dyson, cosmonaut Oleg Novitsky, and Flight Engineer Marina Vasilevskaya of Belarus—will launch from the Baikonur Cosmodrome in Kazakhstan at 9:21 a.m. Thursday, March 21. The international crew will take a short ride to the station, docking only a few hours later at 12:39 p.m., before opening the hatch and joining the Expedition 70 crew in microgravity. Dyson will begin a six-month microgravity research mission once aboard, while Novitsky and Vasilevskaya will spend 12 days on station before departing back to Earth with NASA astronaut Loral O’Hara.

Aboard station, the crew is back to work following a few days off-duty. Throughout the day, O’Hara and two of her NASA crewmates, Michael Barratt and Matthew Dominick, completed a round of SpaceX Dragon rendezvous training ahead of Dragon’s cargo arrival.

In the morning, Barratt assisted O’Hara with a blood sample collection for the CIPHER investigation. O’Hara then moved on to complete additional CIPHER tasks, including a Robotics On-Board Trainer research session to assess her cognitive performance and spatial cognition changes while conducting robotics maneuvers such as grappling and docking a spacecraft. CIPHER, or Complement of Integrated Protocols for Human Exploration Research, is an all-encompassing, total-body approach that examines how humans adapt to spaceflight.

Later on, Barratt installed the Space Automated Bioproducts Lab for future life, physical, and material science investigations. Dominick installed a new humidifier in the Cell Biology Experiment Facility for upcoming Space Organogenesis research. This investigation uses the microgravity environment to enable 3D cell growth to promote regenerative technology that could someday help people in need of transplants on Earth.

NASA Flight Engineer Jeanette Epps spent the morning collecting biological samples for the Standard Measures investigation then moved into the Destiny laboratory module to set up the Robotic Arm Repair Satellite (RSat). RSat, installed in the Microgravity Science Glovebox, explores how CubeSats fitted with a robotic arm might be used to repair larger satellites.

Cosmonauts Alexander Grebenkin and Nikolai Chub spent the day working with the Roscosmos water processing system, running a distillation cycle and collecting samples. Commander Oleg Kononenko of Roscosmos donned a belt packed with sensors to monitor blood circulation in microgravity then practiced his piloting techniques during a Pilot-T session.


Learn more about station activities by following the space station blog, @space_station and @ISS_Research on X, as well as the ISS Facebook and ISS Instagram accounts.

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Dragon Undocks From Station, Crew Headed Back to Earth

SpaceX's Dragon Endurance spacecraft carrying the Crew-7 quartet approaches the International Space Station for docking on August 27, 2023, as it soared 261 miles above the Atlantic ocean.
SpaceX’s Dragon Endurance spacecraft carrying the Crew-7 quartet approaches the International Space Station for docking on August 27, 2023, as it soared 261 miles above the Atlantic Ocean.

The SpaceX Dragon spacecraft with NASA astronaut Jasmin Moghbeli, ESA (European Space Agency) astronaut Andreas Mogensen, JAXA (Japan Aerospace Exploration Agency) astronaut Satoshi Furukawa, and Roscosmos cosmonaut Konstantin Borisov inside undocked from the forward-facing port of the International Space Station’s Harmony module at 11:20 a.m. EDT to complete a nearly six-month science mission.

NASA coverage of Crew-7’s return will continue with audio only, and full coverage will resume at the start of the splashdown broadcast. Real-time audio between Crew-7 and flight controllers at NASA’s Mission Audio stream will remain available and includes conversations with astronauts aboard the space station and a live video feed from the orbiting laboratory.

NASA TV coverage will resume at 4:30 a.m. Tuesday until Dragon splashes down at approximately 5:50 a.m. on Tuesday, March 12, off the coast of Florida and Crew-7 members are recovered.

NASA’s SpaceX Crew-7 mission launched Aug. 26, 2023, on a SpaceX Falcon 9 rocket from the agency’s Kennedy Space Center in Florida.


More details about the mission and NASA’s commercial crew program can be found by following the commercial crew blog, @commercial_crew and commercial crew on Facebook.

Learn more about station activities by following the space station blog, @space_station and @ISS_Research on X, as well as the ISS Facebook and ISS Instagram accounts.

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Dragon Hatch Closed; Crew Readies for Undocking From Station

Four Expedition 70 crewmates pose in the pressure suits they will wear when they return to Earth aboard the SpaceX Dragon "Endurance" spacecraft. From left are, Roscosmos cosmonaut Konstantin Borisov, ESA (European Space Agency) astronaut Andreas Mohgensen, NASA astronaut Jasmin Moghbeli, and JAXA (Japan Aerospace Exploration Agency) astronaut Satoshi Furukawa. The quartet arrived at the International Space Station on Aug. 27, 2023, as SpaceX Crew-7 members aboard Dragon and will splash down off the coast of Florida inside the same spacecraft completing a six-and-a-half-month space research mission.
Four Expedition 70 crewmates pose in the pressure suits they will wear when they return to Earth aboard the SpaceX Dragon “Endurance” spacecraft. From left are, Roscosmos cosmonaut Konstantin Borisov, ESA (European Space Agency) astronaut Andreas Mohgensen, NASA astronaut Jasmin Moghbeli, and JAXA (Japan Aerospace Exploration Agency) astronaut Satoshi Furukawa.

At 9:15 a.m. EDT, the hatch closed between the SpaceX Dragon spacecraft and the International Space Station in preparation for undocking and return to Earth of NASA’s SpaceX Crew-7 mission with NASA astronaut Jasmin Moghbeli, ESA (European Space Agency) astronaut Andreas Mogensen, JAXA (Japan Aerospace Exploration Agency) astronaut Satoshi Furukawa, and Roscosmos cosmonaut Konstantin Borisov.

NASA+, NASA TV, the NASA app and the agency’s website will air live coverage beginning at 11 a.m., for undocking scheduled at 11:20 a.m. Following conclusion of undocking coverage, NASA coverage of Crew-7’s return will continue with audio only, and full coverage will resume at the start of the splashdown broadcast at 4:30 a.m. EDT Tuesday. Real-time audio between Crew-7 and flight controllers at NASA’s Mission Audio stream will remain available.


More details about the mission and NASA’s commercial crew program can be found by following the commercial crew blog, @commercial_crew and commercial crew on Facebook.

Learn more about station activities by following the space station blog, @space_station and @ISS_Research on X, as well as the ISS Facebook and ISS Instagram accounts.

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Dragon Hatch Closing Soon With Crew Aboard Live on NASA TV

The four SpaceX Crew-7 members pose for a portrait in their pressure suits. From left are, Jasmin Moghbeli, Andreas Mogensen, Satoshi Furukawa, and Konstantin Borisov. Credit: SpaceX
The four SpaceX Crew-7 members pose for a portrait in their pressure suits. From left are, Jasmin Moghbeli, Andreas Mogensen, Satoshi Furukawa, and Konstantin Borisov. Credit: SpaceX

Watch live coverage now on NASA+, NASA TV, the NASA app and the agency’s website as hatch closure and undocking preparations are underway for the return of NASA’s SpaceX Crew-7 mission.

NASA astronaut Jasmin Moghbeli, ESA (European Space Agency) astronaut Andreas Mogensen, JAXA (Japan Aerospace Exploration Agency) astronaut Satoshi Furukawa, and Roscosmos cosmonaut Konstantin Borisov are in the process of boarding the SpaceX Dragon for departure from the International Space Station.

Crew-7 is targeting a return to Earth at about 5:50 a.m. EDT Tuesday, March 12, with a splashdown off the coast of Florida. The Dragon spacecraft, named Endurance, is scheduled to undock from the International Space Station at 11:20 a.m. on Monday, March 11, to begin the journey home.

Dragon will autonomously undock, depart the space station, and splash down off the coast of Florida. Dragon also will return important and time-sensitive research to Earth.


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Station Goes into Final Handovers Before Next Crew Departs

The Crew-7 quartet (from left), cosmonaut Konstantin Borisov, ESA (European Space Agency) astronaut Andreas Mogensen, NASA astronaut Jasmin Moghbeli, and JAXA (Japan Aerospace Exploration Agency) astronaut Satoshi Furukawa pose for a photo in their Dragon flight suits ahead of their departure from the International Space Station.
The Crew-7 quartet (from left), cosmonaut Konstantin Borisov, ESA (European Space Agency) astronaut Andreas Mogensen, NASA astronaut Jasmin Moghbeli, and JAXA (Japan Aerospace Exploration Agency) astronaut Satoshi Furukawa pose for a photo in their Dragon flight suits ahead of their departure from the International Space Station.

Two crews aboard the International Space Station are continuing mission handover responsibilities before four Expedition 70 crewmates return to Earth next week. In the meantime, a host of advanced space research is underway to improve life on Earth and in space.

The next crew to leave the orbital outpost is due to undock inside the SpaceX Dragon “Endurance” spacecraft from the Harmony module’s space-facing port on Monday. NASA astronaut Jasmin Moghbeli will lead Pilot Andreas Mogensen, and Mission Specialists Satoshi Furukawa and Konstantin Borisov back to Earth inside Dragon for a splashdown off the coast of Florida. The commercial crew quartet has been aboard the space station since Aug. 27, 2023.

Moghbeli and Mogensen have spent the week readying Dragon for its return, checking spacecraft systems and hardware in coordination with mission controllers from SpaceX and NASA. They have also been working with Furukawa and Borisov packing personal items and station cargo for the ride back to Earth.

Mogensen and Furukawa managed to fit in a pair of different experiments in their busy schedule at the end of the week. Mogensen from ESA (European Space Agency) peered at cell samples through a microscope for the Project EAGLE cardiac health study. The experiment may provide therapeutic insights for space-caused and Earthbound heart conditions. Furukawa from JAXA (Japan Aerospace Exploration Agency) serviced samples inside the Kibo laboratory module’s Solid Combustion Experiment Module that acquires data on how oxygen-fed solid fuels burn in microgravity.

NASA Flight Engineer Loral O’Hara, who will remain in space until early April, assisted new NASA Flight Engineer Mike Barratt as he worked out for the first time on the Advanced Resistive Exercise Device. After that, she swapped out a spool of optical fiber samples inside the Microgravity Science Glovebox. The sample work was done for a study exploring the manufacturing of optical fibers in space superior to those produced on Earth.

Barratt later joined his Dragon “Endeavour” crewmates Matthew Dominick and Jeanette Epps, both from NASA, and Roscosmos cosmonaut Alexander Grebenkin and called down to mission controllers to discuss Dragon operations during their ride to the space station. The foursome continues getting familiarized with orbital exercise equipment, life support systems, emergency procedures, and more.

Borisov and veteran cosmonaut Oleg Kononenko wrapped up operations with the lower body negative pressure suit being tested for its potential to relieve the effects of returning to Earth’s gravity after spending several months in space. Flight Engineer Nikolai Chub worked throughout the station’s Roscosmos segment servicing ventilation systems. Chub and Kononenko will continue their mission aboard the orbital outpost and stay in space several more months.


Learn more about station activities by following the space station blog, @space_station and @ISS_Research on X, as well as the ISS Facebook and ISS Instagram accounts.

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