Several hundred current and former NASA employees, including at least four retired astronauts, backed a letter that opposes ...

Some NASA employees fear changes rippling through the agency will undermine safety during human space missions.

The Space Shuttle era ended with Atlantis’s final flight on July 21, 2011, closing a major chapter in space exploration. For ...

NASA followed last week's low-key engine test with the test-firing of a solid-fueled booster at Northrop Grumman's rocket ...

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NASA's space shuttle Discovery launched successfully Tuesday -- the first shuttle mission since the 2003 Columbia disaster. After a background discussion, an expert discusses the changes NASA made ...

There’s nowhere to park right now at the International Space Station for NASA’s next Commercial Crew Program launch, but a ...

NASA’s “Teacher in Space” added joy to many Americans’ lives and increased excitement for the future of spaceflight, though ...

NASA is targeting Monday, April 5, for the launch of the next space shuttle from the agency’s Kennedy Space Center in Florida. Shuttle Discovery’s seven crew members had planned to lift… ...

Following a detailed inspection of NASA’s Space Shuttle Atlantis at the Kennedy Space Center, Fla., the six-member crew has a new launch date to begin the STS-115 mission to the International… ...

NASA’s Endeavour orbiter made its way to the top of a 20-story-tall vertical display of the retired Space Shuttle, completing a legendary ready-for-launch stack that makes it look as though it ...

July 8 marks one decade since the last NASA space shuttle flight launched. ... Launching Atlantis, the last space shuttle, on June 27, 1995, marked the 100th US human space launch.