NASA astronaut Mark Vande Hei is pictured after landing on Earth with fellow Expedition 66 crew members.
Cosmonaut Anton Shkaplerov is pictured after landing on Earth with fellow Expedition 66 crew members.
Cosmonaut Pyotr Dubrov is pictured after landing on Earth with fellow Expedition 66 crew members.
The Soyuz MS-19 spacecraft is seen as it lands in a remote area near the town of Zhezkazgan, Kazakhstan with…
NASA astronaut Mark Vande Hei talks to media and answers social media questions at NASA's Johnson Space Center.
NASA astronaut Mark Vande Hei talks to media and answers social media questions at NASA's Johnson Space Center.
NASA astronaut Mark Vande Hei talks to media and answers social media questions at NASA's Johnson Space Center.
NASA astronaut Mark Vande Hei talks to media and answers social media questions at NASA's Johnson Space Center.
NASA astronaut Mark Vande Hei talks to media and answers social media questions at NASA's Johnson Space Center.
Every winter, a layer of carbon dioxide frost (dry ice) forms on the surface of Mars.
