
The Expedition 66 crew is pictured inside the Soyuz MS-19 spacecraft after landing in Kazakhstan.

The Soyuz MS-19 spacecraft is seen as it lands in Kazakhstan with the Expedition 66 crew.

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.

Fred Haise conducted tail flutter tests in a Piper PA-30 Twin Commanche. During the flight the horizontal tail surfaces fluttered…