The first joint space mission between the United States and Russia (then the Soviet Union) docked in Earth orbit half a ...

NASA’s Dream Chaser space plane has officially powered up, marking a huge milestone in its journey to space! With Sierra Space confirming successful electrical tests, the long-awaited shuttle is ...

The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images from the observatory to mark the anniversary. Credit: NASA/CXC/A. Hobart ...

The X-37B program was developed as part of a partnership between the US Air Force's Rapid Capabilities Office and the US ...