Analysis shows a bat clinging to Discovery's external tank held on even after launch.
The astronauts are carrying mementoes to space that reflect their unique backgrounds.
The final truss segment and solar arrays soon head for the International Space Station.
On launch day, a space shuttle astronaut's first challenge isn't handling the force of liftoff or adjusting to microgravity -- it's getting dressed.
The astronauts of STS-126 acted as craftsmen, mechanics, spacewalkers and, of course, astronauts during International Space Station mission.
When a shuttle lands anywhere but Kennedy Space Center, it gets a piggyback ride back to its home base.
NASA's space shuttles have a few landing sites to choose from.
A complex system of distillers and filters is at the heart of a water recycling system that will eventually supply International Space Station crews with drinking water.
Just in time for its 10th anniversary, the space station will get an out-of-this-world home makeover.
For years, STS-126 has been planned as the mission that will give the International Space Station the ability to support twice the crew currently living there.
The STS-126 mission moved into high gear as Endeavour transferred to Pad A.
Lifting the space shuttle requires calm precision.
Astrovan continues to carry shuttle crews, history and tradition.
Away from the Firing Room, the Shuttle Launch Director represents the men and women who help put people in space.
After a wait of more than 20 years, "hope" arrived at the International Space Station during space shuttle Discovery's STS-124 mission.
NASA expects repairs to a flame trench wall to be completed before the next space shuttle mission.
Women astronauts have established their place in space, but it was the flight of Sally Ride 25 years ago that paved their road to the stars.
Calm, confident and careful still define the people who give the ultimate "go" to launch a spacecraft.
NASA astronauts don't go into space aboard the shuttle without a pressure suit.
NASA and Disney are joining forces for education, and that means a ride into orbit for space ranger Buzz Lightyear.