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NASA Highlights Astrophysics Missions at ‘Super Bowl of Astronomy’
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By NASA
NASA astronauts Butch Wilmore, Suni Williams, Nick Hague, and Don Pettit show off their ‘Proud to be American’ socks in a photo taken aboard the International Space Station. Photo Credit: NASA Four NASA astronauts will participate in a welcome home ceremony at Space Center Houston after recently returning from missions aboard the International Space Station.
NASA astronauts Nick Hague, Suni Williams, Butch Wilmore, and Don Pettit will share highlights from their missions at 6 p.m. CDT Thursday, May 22, during a free, public event at NASA Johnson Space Center’s visitor center. The astronauts also will recognize key mission contributors during an awards ceremony after their presentation.
Williams and Wilmore launched aboard Boeing’s Starliner spacecraft and United Launch Alliance Atlas V rocket on June 5, 2024, from Space Launch Complex 41 as part of NASA’s Boeing Crew Flight Test. The duo arrived at the space station on June 6. In August, NASA announced the uncrewed return of Starliner to Earth and integrated Wilmore and Williams with the Expedition 71/72 crew and a return on Crew-9.
Hague launched Sept. 28, 2024, with Roscosmos cosmonaut Aleksandr Gorbunov aboard a SpaceX Falcon 9 rocket from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida as part of NASA’s SpaceX Crew-9 mission. The next day, they docked to the forward-facing port of the station’s Harmony module.
Hague, Gorbunov, Wilmore, and Williams returned to Earth on March 18, 2025, splashing down safely off the coast of Tallahassee, Florida, in the Gulf of America.
Williams and Wilmore traveled 121,347,491 miles during their mission, spent 286 days in space, and completed 4,576 orbits around Earth. Hague and Gorbunov traveled 72,553,920 miles during their mission, spent 171 days in space, and completed 2,736 orbits around Earth. Hague has logged 374 days in space during two missions. It was the third spaceflight for both Williams and Wilmore. Williams has logged 608 total days in space, and Wilmore has logged 464 days.
Pettit launched aboard the Soyuz MS-26 spacecraft on Sept. 11, 2024, alongside Roscosmos cosmonauts Alexey Ovchinin and Ivan Vagner. The seven-month research mission as an Expedition 72 flight engineer was the fourth spaceflight of Pettit’s career, completing 3,520 orbits of the Earth and a journey of 93.3 million miles. He has logged a total of 590 days in orbit. Pettit and his crewmembers safely landed in Kazakhstan on April 19, 2025 (April 20, 2025, Kazakhstan time).
The Expedition 72 crew dedicated more than 1,000 combined hours to scientific research and technology demonstrations aboard the International Space Station. Their work included enhancing metal 3D printing capabilities in orbit, exploring the potential of stem cell technology for treating diseases, preparing the first wooden satellite for deployment, and collecting samples from the station’s exterior to examine whether microorganisms can survive in the harsh environment of space. They also conducted studies on plant growth and quality, investigated how fire behaves in microgravity, and advanced life support systems, all aimed at improving the health, safety, and sustainability of future space missions. Pettit also used his spare time and surroundings aboard station to conduct unique experiments and captivate the public with his photography. Expedition 72 captured a record one million photos during the mission, showcasing the unique research and views aboard the orbiting laboratory through astronauts’ eyes.
For more than 24 years, people have lived and worked continuously aboard the International Space Station, advancing scientific knowledge, and conducting critical research for the benefit of humanity and our home planet. Space station research supports the future of human spaceflight as NASA looks toward deep space missions to the Moon under the Artemis campaign and in preparation for future human missions to Mars, as well as expanding commercial opportunities in low Earth orbit and beyond.
Learn more about the International Space Station at:
https://www.nasa.gov/station
-end-
Jaden Jennings
Johnson Space Center, Houston
713-281-0984
jaden.r.jennings@nasa.gov
Dana Davis
Johnson Space Center, Houston
281-244-0933
dana.l.davis@nasa.gov
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By NASA
When future astronauts set foot on Mars, they will stand on decades of scientific groundwork laid by people like Andrea Harrington.
As NASA’s sample return curation integration lead, Harrington is helping shape the future of planetary exploration and paving the way for interplanetary discovery.
Official portrait of Andrea Harrington. NASA/Josh Valcarcel Harrington works in NASA’s Astromaterials Research and Exploration Sciences Division, or ARES, at Johnson Space Center in Houston, where she integrates curation, science, engineering, and planetary protection strategies into the design and operation of new laboratory facilities and sample handling systems. She also helps ensure that current and future sample collections—from lunar missions to asteroid returns—are handled with scientific precision and preserved for long-term study.
“I am charged with protecting the samples from Earth—and protecting Earth from the restricted samples,” Harrington said. This role requires collaboration across NASA centers, senior leadership, engineers, the scientific community, and international space exploration agencies.
With a multidisciplinary background in biology, planetary science, geochemistry, and toxicology, Harrington has become a key expert in developing the facility and contamination control requirements needed to safely preserve and study sensitive extraterrestrial samples. She works closely with current and future curators to improve operational practices and inform laboratory specifications—efforts that will directly support future lunar missions.
Andrea Harrington in front of NASA’s Astromaterials Research and Exploration Sciences Division Mars Wall at Johnson Space Center in Houston. Her work has already made a lasting impact. She helped develop technologies such as a clean closure system to reduce contamination during sample handling and ultraclean, three-chamber inert isolation cabinets. These systems have become standard equipment and are used for preserving samples from missions like OSIRIS-REx and Hayabusa2. They have also supported the successful processing of sensitive Apollo samples through the Apollo Next Generation Sample Analysis Program.
In addition to technology development, Harrington co-led the assessment of high-containment and pristine facilities to inform future technology and infrastructural requirements for Restricted Earth Returns, critical for sample returns Mars, Europa, and Enceladus.
Harrington’s leadership, vision, and technical contribution have reached beyond ARES and have earned her two Director’s Commendations.
“The experiences I have acquired at NASA have rounded out my background even more and have provided me with a greater breadth of knowledge to draw upon and then piece together,” said Harrington. “I have learned to trust my instincts since they have allowed me to quickly assess and effectively troubleshoot problems on numerous occasions.”
Andrea Harrington in Johnson’s newly commissioned Advanced Curation Laboratory. Harrington also serves as the Advanced Curation Medical Geology lead. She and her team are pioneering new exposure techniques that require significantly less sample material to evaluate potential health risks of astromaterials.
Her team is studying a range of astromaterial samples and analogues to identify which components may trigger the strongest inflammatory responses, or whether multiple factors are at play. Identifying the sources of inflammation can help scientists assess the potential hazards of handling materials from different planetary bodies, guide decisions about protective equipment for sample processors and curators, and may eventually support astronaut safety on future missions.
Harrington also spearheaded a Space Act Agreement to build a science platform on the International Space Station that will enable planetary science and human health experiments in microgravity, advancing both human spaceflight and planetary protection goals.
Andrea Harrington at the National Academies Committee on Planetary Protection and Committee on Astrobiology and Planetary Sciences in Irvine, California. Harrington credits her NASA career for deepening her appreciation of the power of communication. “The ability to truly listen and hear other people’s perspectives is just as important as the ability to deliver a message or convey an idea,” she said.
Her passion for space science is rooted in purpose. “What drew me to NASA is the premise that what I would be doing was not just for myself, but for the benefit of all,” she said. “Although I am personally passionate about the work I am doing, the fact that the ultimate goal is to enable the fulfillment of those passions for generations of space scientists and explorers to come is quite inspiring.”
Andrea Harrington and her twin sister, Jane Valenti, as children (top two photos) and at Brazos Bend State Park in Needville, Texas, in 2024. Harrington loves to travel, whether she is mountain biking through Moab, scuba diving in the Galápagos, or immersing herself in the architecture and culture of cities around the world. She shares her passion for discovery with her family—her older sister, Nicole Reandeau; her twin sister, Jane Valenti; and especially her husband, Alexander Smirnov.
A lesson she hopes to pass along to the Artemis Generation is the spirit of adventure along with a reminder that exploration comes in many forms.
“Artemis missions and the return of pristine samples from another planetary bodies to Earth are steppingstones that will enable us to do even more,” Harrington said. “The experience and lessons learned could help us safely and effectively explore distant worlds, or simply inspire the next generation of explorers to do great things we can’t yet even imagine.”
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