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By NASA
The Roscosmos Soyuz MS-25 spacecraft is pictured docked to the International Space Station’s Prichal module in this long-duration photograph as it orbited 258 miles above Nigeria.Credit: NASA NASA astronaut Tracy C. Dyson, accompanied by Roscosmos cosmonauts Nikolai Chub and Oleg Kononenko, will depart from the International Space Station aboard the Soyuz MS-25 spacecraft, and return to Earth.
Dyson, Chub, and Kononenko will undock from the orbiting laboratory’s Prichal module at 4:37 a.m. EDT Monday, Sept. 23, heading for a parachute-assisted landing at 8 a.m. (5 p.m. Kazakhstan time) on the steppe of Kazakhstan, southeast of the town of Dzhezkazgan.
NASA’s live coverage of return and related activities will stream on NASA+ and the agency’s website. Learn how to stream NASA content through a variety of platforms, including social media.
A change of command ceremony also will stream on NASA platforms at 10:15 a.m. Sunday, Sept. 22. Kononenko will hand over station command to NASA astronaut Suni Williams for Expedition 72, which begins at the time of undocking.
Spanning 184 days in space, Dyson’s mission includes covering 2,944 orbits of the Earth and a journey of 78 million miles. The Soyuz MS-25 spacecraft launched March 23, and arrived at the station March 25, with Dyson, Roscosmos cosmonaut Oleg Novitskiy, and spaceflight participant Marina Vasilevskaya of Belarus. Novitskiy and Vasilevskaya were aboard the station for 12 days before returning home with NASA astronaut Loral O’Hara on April 6.
Kononenko and Chub, who launched with O’Hara to the station on the Soyuz MS-24 spacecraft last September, will return after 374 days in space and a trip of 158.6 million miles, spanning 5,984 orbits.
Dyson spent her fourth spaceflight aboard the station as an Expedition 70 and 71 flight engineer, and departs with Kononenko, completing his fifth flight into space and accruing an all-time record 1,111 days in orbit, and Chub, who completed his first spaceflight.
After returning to Earth, the three crew members will fly on a helicopter from the landing site to the recovery staging city of Karaganda, Kazakhstan. Dyson will board a NASA plane and return to Houston, while Kononenko and Chub will depart for a training base in Star City, Russia.
NASA’s coverage is as follows (all times Eastern and subject to change based on real-time operations):
Sunday, Sept. 22
10:15 a.m. – Expedition 71/72 change of command ceremony begins on NASA+ and the agency’s website.
Monday, Sept. 23
12:45 a.m. – Hatch closing coverage begins on NASA+ and the agency’s website.
1:05 a.m. – Hatch closing
4 a.m. – Undocking coverage begins on NASA+ and the agency’s website.
4:37 a.m. – Undocking
6:45 a.m. – Coverage begins for deorbit burn, entry, and landing on NASA+ and the agency’s website.
7:05 a.m. – Deorbit burn
8 a.m. – Landing
For more than two decades, people have lived and worked continuously aboard the International Space Station, advancing scientific knowledge, and making research breakthroughs that are not possible on Earth. The station is a critical testbed for NASA to understand and overcome the challenges of long-duration spaceflight and to expand commercial opportunities in low Earth orbit. As commercial companies focus on providing human space transportation services and destinations as part of a robust low Earth orbit economy, NASA is focusing more resources on deep space missions to the Moon as part of Artemis in preparation for future human missions to Mars.
Learn more about International Space Station research and operations at:
https://www.nasa.gov/station
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Josh Finch / Claire O’Shea
Headquarters, Washington
202-358-1100
joshua.a.finch@nasa.gov / claire.a.o’shea@nasa.gov
Sandra Jones
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov
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Last Updated Sep 19, 2024 LocationNASA Headquarters Related Terms
International Space Station (ISS) Astronauts Humans in Space ISS Research Johnson Space Center Tracy Caldwell Dyson View the full article
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By NASA
1 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Dr. Kenyon, far right, and three other umpires listen to the national anthem before the start of a baseball game.Credit: West Springfield Little League
As the director of NASA’s Glenn Research Center in Cleveland, Dr. Jimmy Kenyon is used to making important decisions at work. He also likes to call the shots on the baseball field as a volunteer umpire.
In July, Kenyon packed up his gear and traveled to Ankeny, Iowa, as part of a four-man umpire crew for the Little League Intermediate 50/70 Baseball Central Region Tournament. He was selected for this crew assignment in May, as the Little League season was getting underway.
Dr. Jimmy Kenyon in action as a volunteer umpire during a Little League baseball game. Credit: West Springfield Little League “Making the call is part of the job at NASA Glenn, but it’s also something I enjoy as a volunteer umpire for Little League Baseball and softball,” Kenyon said. “It allows me to share the excitement of baseball and NASA with young players, who may very well be part of our future workforce someday.”
Return to Newsletter View the full article
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By NASA
1 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA Glenn Research Center’s Frank Kaufhold discuses next-generation technologies for turbofan engines with the public during EAA AirVenture. Credit: NASA/Andrew Carlsen The first “A” in NASA stands for aeronautics, and NASA’s Glenn Research Center helped bring that message to thousands of people at major airshows in Wisconsin and Ohio this summer.
In July, NASA Glenn subject matter experts and outreach professionals landed in Oshkosh, Wisconsin, to participate in EAA AirVenture Oshkosh 2024. Thousands of aircraft arrived at Wittman Regional Airport in Oshkosh and other airports in east-central Wisconsin to attend the event.
Under the large NASA tent, staff shared information on both agencywide and center-specific projects, missions, and technology. NASA Glenn employees also assisted NASA Administrator Bill Nelson through tours and presentations.
NASA Glenn Research Center’s Amber Waid, left, discusses the wing-like shape of the truss of the X-66 Sustainable Flight Demonstrator with NASA Administrator Bill Nelson during EAA AirVenture. Credit: NASA/Andrew Carlsen Over Labor Day weekend, NASA Glenn’s experts traveled down the road to the Cleveland National Air Show at Burke Lakefront Airport. A main attraction, NASA Glenn’s newest aircraft — the Pilatus PC-12 — garnered enthusiasm from visitors who met NASA’s aircrew and learned about how this aircraft helps test innovative communications technology.
NASA Glenn Research Center interns Nikhita Kalluri, left, and Divya Nagireddy share fun facts about NASA and aviation with guests at the Cleveland National Air Show. Credit: NASA Inside the NASA tent, guests experienced virtual reality simulators, watched wind tunnel demonstrations, and learned about Quesst, NASA’s mission to make quiet, faster-than-sound air travel a reality.
NASA Glenn Research Center’s research pilot James Demers talks with guests about airplanes and flight research at the Cleveland National Air Show. Credit: NASA Return to Newsletter Explore More
1 min read Students Soar at NASA Glenn’s Aviation Day
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Article 4 mins ago 1 min read Dr. Kenyon Makes Calls, On and Off the Field
Article 4 mins ago View the full article
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By NASA
4 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA astronaut Tracy C. Dyson smiles for a portrait in the vestibule between the Kibo laboratory module and the Harmony module aboard space station.NASA NASA astronaut Tracy C. Dyson is returning home after a six-month mission aboard the International Space Station. While on orbit, Dyson conducted an array of experiments and technology demonstrations that contribute to advancements for humanity on Earth and the agency’s trajectory to the Moon and Mars.
Here is a look at some of the science Dyson conducted during her mission:
Heart-Shaped Bioprints
NASA NASA astronaut Tracy C. Dyson operates the BioFabrication Facility for the Redwire Cardiac Bioprinting Investigation, which 3D prints cardiovascular tissue samples. In microgravity, bio inks used for 3D printing are less likely to settle and retain their shape better than on Earth. Cardiovascular disease is currently the number one cause of death in the United States, and findings from this space station investigation could one day lead to 3D-printed organs such as hearts for patients awaiting transplants.
Wicking in Weightlessness
NASA NASA astronaut Tracy C. Dyson handles hardware for the Wicking in Gel-Coated Tubes (Gaucho Lung) experiment. This study uses a tube lined with various gel thicknesses to simulate the human respiratory system. A fluid mass known as a liquid plug is then observed as it either blocks or flows through the tube. Data regarding the movement and trailing of the liquid plug allows researchers to design better drug delivery methods to address respiratory ailments.
Programming for Future Missions
NASA NASA NASA astronaut Tracy C. Dyson runs student-designed software on the free-flying Astrobee robot. This technology demonstration is part of Zero Robotics, a worldwide competition that engages middle school students in writing computer code to address unique specifications. Winning participants get to run their software on an actual Astrobee aboard the space station. This educational opportunity helps inspire the next generation of technology innovators.
Robo-Extensions
NASA As we venture to the Moon and Mars, astronauts may rely more on robots to ensure safety and preserve resources. Through the Surface Avatar study, NASA astronaut Tracy C. Dyson controls a robot on Earth’s surface from a computer aboard station. This technology demonstration aims to toggle between manipulating multiple robots and “diving inside” a specific bot to control as an avatar. This two-way demonstration also evaluates how robot operators respond their robotic counterparts’ efficiency and general output. Applications for Earth use include exploration of inhospitable zones and search and rescue missions after disasters.
Capturing Earth’s Essence
NASA For Crew Earth Observations, astronauts take pictures of Earth from space for research purposes. NASA astronauts Suni Williams (left) and Tracy C. Dyson (right) contribute by aiming handheld cameras from the space station’s cupola to photograph our planet. Images help inform climate and environmental trends worldwide and provide real-time natural disaster assessments. More than four million photographs have been taken of Earth by astronauts from space.
Multi-faceted Crystallization Processor
NASA NASA astronaut Tracy C. Dyson holds a cassette for Pharmaceutical In-Space Laboratory – 04 (ADSEP-PIL-04), an experiment to crystallize the model proteins lysozyme and insulin. Up to three cassettes with samples can be processed simultaneously in the Advanced Space Experiment Processor (ADSEP), each at an independent temperature. Because lysozyme and insulin have well-documented crystal structures, they can be used to evaluate the hardware’s performance in space. Successful crystallization with ADSEP could lead to production and manufacturing of versatile crystals with pharmaceutical applications.
Cryo Care
NASA NASA astronauts Tracy C. Dyson and Matthew Dominick preserve research samples in freezers aboard the space station. Cryopreservation is essential for maintaining the integrity of samples for a variety of experiments, especially within the field of biology. The orbiting laboratory has multiple freezer options with varying subzero temperatures. Upon return, frozen samples are delivered back to their research teams for further analysis.
Welcoming New Science
NASA NASA astronaut Tracy C. Dyson is pictured between the Unity module and Northrop Grumman’s Cygnus spacecraft in preparation for depressurization and departure from the International Space Station. On long-duration missions, visiting vehicles provide necessities for crew daily living as well as new science experiments and supplies for ongoing research. This vehicle brought experiments to test water recovery technology, produce stem cells in microgravity, study the effects of spaceflight on microorganism DNA, and conduct science demonstrations for students.
Diana Garcia
International Space Station Research Communications Team
NASA’s Johnson Space Center
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Expedition 71
Expedition 71 began on April 5, 2024 and ends in September 2024. This crew will explore neuro-degenerative diseases and therapies,…
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By NASA
The Soyuz rocket launches to the International Space Station with Expedition 72 crew members: NASA astronaut Don Pettit, Roscosmos cosmonauts Alexey Ovchinin, and Ivan Vagner, onboard, Wednesday, Sept. 11, 2024, at the Baikonur Cosmodrome in Kazakhstan. Credit: NASA/Bill Ingalls NASA astronaut Don Pettit, accompanied by Roscosmos cosmonauts Alexey Ovchinin and Ivan Vagner, arrived at the International Space Station Wednesday, bringing its number of residents to 12 for the 13-day handover period.
After a two-orbit, three-hour journey to the station, the Roscosmos Soyuz MS-26 spacecraft automatically docked to the orbiting laboratory’s Rassvet module at 3:32 p.m. EDT. The spacecraft launched at 12:23 p.m. EDT (9:23 p.m. Baikonur time) from the Baikonur Cosmodrome in Kazakhstan.
NASA’s coverage of hatch opening will stream at 5:30 p.m. on NASA+, the NASA app, YouTube, and the agency’s website. Hatch opening is scheduled to begin at 5:50 p.m. Learn how to stream NASA content through a variety of platforms, including social media.
Once aboard, the trio will join Expedition 71 crew members, including NASA astronauts Tracy C. Dyson, Mike Barratt, Matthew Dominick, Jeanette Epps, Butch Wilmore, and Suni Williams, as well as Roscosmos cosmonauts Nikolai Chub, Alexander Grebenkin, and Oleg Kononenko. Expedition 72 will begin Monday, Sept. 23, upon the departure of Dyson, Chub, and off-going station commander Kononenko, completing a six-month stay for Dyson and a year-long expedition for Chub and Kononenko.
Pettit, Ovchinin, and Vagner will spend approximately six months aboard the orbital outpost advancing scientific research as Expedition 71/72 crew members before returning to Earth in the spring of 2025. This is Pettit and Ovchinin’s fourth spaceflight and Vagner’s second.
During Expedition 72, two new crews will arrive aboard the space station, including NASA’s SpaceX Crew-9 launching in September, followed by Crew-10, scheduled for launch in February 2025.
Follow Pettit on X throughout his mission and get the latest space station crew news on Instagram, Facebook, and X.
Learn more about International Space Station research and operations at:
https://www.nasa.gov/station
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Joshua Finch / Claire O’Shea
Headquarters, Washington
202-358-1100
joshua.a.finch@nasa.gov / claire.a.o’shea@nasa.gov
Leah Cheshier
Johnson Space Center, Houston
281-483-5111
leah.d.cheshier@nasa.gov
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