Commander Sergey Prokopyev replaces power supply system components inside the International Space Station.
Expedition 68 Flight Engineers Koichi Wakata and Nicole Mann pose with a pair of Extravehicular Mobility Units (EMUs), or spacesuits.
The James Webb Space Telescope spies the spiral galaxy NGC 7469, located 220 million light-years from Earth in the constellation…
On Dec. 24, 1968, Apollo 8 astronauts Frank Borman, Jim Lovell, and Bill Anders became the first humans to orbit…
