
With a diameter of about 170,000 light years, galaxy Messier 101 (M101) is nearly twice the size of our Milky…

Floodlights cast long shadows, like a setting sun, over space shuttle Endeavour as if as it sits on Runway 4…

Numerous stars provide a serene background in this view of Enceladus captured by the Cassini spacecraft while the moon was…

The second Interoperability Plenary (IOP) was held in Geneva, Switzerland. This meeting was held for organizations planning space missions and…

Space shuttle Endeavour touches down at Edwards Air Force Base on Nov. 30, 2008, concluding the STS-126 mission. This image…

After an almost 16-day mission to the International Space Station, the Space Shuttle Endeavour has landed at Edwards Air Force…

After an almost 16-day mission to the International Space Station, the Space Shuttle Endeavour has landed at Edwards Air Force…

After an almost 16-day mission to the International Space Station, the Space Shuttle Endeavour has landed at Dryden Flight Research…

After an almost 16-day mission to the International Space Station, the Space Shuttle Endeavour has landed at Edwards Air Force…

Backdropped against Earth’s horizon and the blackness of space, Endeavour’s Canadian-built robot arm appears amidst elements of the International Space…