
Astronaut Mark Vande Hei harvests plants grown on petri plates for the APEX-07 (Advanced Plant Experiments) space botany study.

Astronaut Kayla Barron installs the Mochii electron-scanning microscope that can be used to identify trace particles aboard the International Space…

Astronaut Kayla Barron works on a U.S. spacesuit inside the International Space Station's U.S. Quest airlock.

Astronaut Kayla Barron works the MVP-Plant-01 (Multi-use Variable-gravity Platform) space botany study that monitors shoot and root development.

Astronaut Mark Vande Hei works the Plant Habitat-05 space botany experiment that observes cotton cultures grown on the International Space…

Astronaut Raja Chari works on the Ring Sheared Drop experiment that could lead to a better understanding of neurodegenerative diseases…

Cosmonauts (from left) Anton Shkaplerov and Pyotr Dubrov are pictured in their Russian Orlan spacesuits for a fit check and…

Retired U.S. Air Force Honorary Brigadier General Charles McGee, left, spoke with NASA astronaut Alvin Drew in 2020.

APOD Science APOD APOD: 2022 January 19 – M31:… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…

This image shows the Highfield drill hole, on Vera Rubin Ridge in Gale crater on Mars, made by NASA’s Curiosity…