Astronaut Mark Vande Hei works performs microscopy operations for the Cardinal Muscle investigation.
The SpaceX Crew Dragon Endeavour is pictured docked to the International Space Station.
NASA astronaut Shane Kimbrough unpacks cargo bags inside the International Space Station.
Astronauts Mark Vande Hei and Shane Kimbrough unpack cargo bags inside the International Space Station.
Cygnus in the grips of the Canadarm2 robotic arm after it was installed on the Unity module.
Astronaut Thomas Pesquet checks a variety of spacewalk tools inside the U.S. Quest airlock.
This week in 1966, AS-202 launched from Cape Canaveral, Florida.
The SpaceX Crew-3 astronauts and support personnel participate in water survival training at the Neutral Buoyancy Laboratory.
SpaceX Crew-3 astronauts are pictured during a training session at the Space Vehicle Mockup Facility.
Astronauts Matthias Maurer and Raja Chari are pictured during a training session at the Space Vehicle Mockup Facility.
