As Space Shuttle Atlantis left the space station, it remained uncertain when another U.S. spacecraft would return.
The U.S. President joked with the space station astronauts on Friday, but had a heartfelt message for the final shuttle crew.
The crew of shuttle Atlantis had a shock last night when an alarm was triggered. Discovery News space correspondent Irene Klotz asked commander Chris Ferguson what it was like.
The new generation of astronauts has to learn a host of new skills, including Russian.
If the idea of space food conjures up images of tubes and cubes, you're a couple of decades out of date.
NASA spacewalker Ron Garan is taking dramatic bird's eye view images.
In space, they can hear you scream -- if you're near a microphone -- but whistling is another matter entirely.
If the crew of the final shuttle mission to the International Space Station (ISS) thought the Cosmos would give them a break just because they are making history, they'd be wrong.
Space Shuttle Atlantis carried out a "flawless" approach and docking with the International Space Station on Sunday.
Despite discouraging weather forecasts, Atlantis made a clean launch to start the shuttle program's final mission.