As we reflect on the Challenger mission, 39 years later we want to know, what memories do you have of the shuttle, its crew, ...

O-ring erosion on Discovery would have disastrous effects a year later It has been 40 years since NASA launched the first ...

On Jan. 24, 1985, space shuttle Discovery took off from NASA's Kennedy Space Center (KSC) in Florida on STS-51C, the first space shuttle mission ...

For millions, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy ...

WASHINGTON — It's been 39 years since the Challenger space shuttle explosion, one of NASA's most devastating tragedies. NASA's Challenger shuttle exploded 73 seconds after lifting off on Jan. 28 ...