The Orbiting Carbon Observatory satellite is the first of its kind, built to measure and track carbon dioxide "sources" and "sinks" in Earth's atmosphere.
Kennedy Space Center Director Bob Cabana reflects on commanding the first space station construction mission.› Read story
Just in time for its 10th anniversary, the space station will get an out-of-this-world home makeover.
The STS-126 mission moved into high gear as Endeavour transferred to Pad A.
NASA's Launch Services Program must be able to launch any vehicle, anytime, from anywhere in the world. The Telemetry and Communications Group helps make it happen.
Lifting the space shuttle requires calm precision.
NASA won't send anything into space that needs to return -- without a parachute.
Amateur radio on the International Space Station brings technology, science and inspiration into the classroom.
The Astrovan carried shuttle crews, history and tradition.
A rare, beached whale is rescued by center volunteers.
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.
Calm, confident and careful still define the people who give the ultimate "go" to launch a spacecraft.
How to plan for a moon mission 101.
NASA astronauts don't go into space aboard the shuttle without a pressure suit.
Sometimes space shuttle technicians have to come up with more than new parts - they have to make new tools.
NASA and Disney are joining forces for education, and that means a ride into orbit for space ranger Buzz Lightyear.
Drill simulates sea rescue of shuttle astronauts.
The U.S. Astronaut Hall of Fame inducted Loren Shriver, Bryan O'Connor, John Blaha and Robert Cabana into its elite ranks of space explorers.