Science correspondent Miles O'Brien spoke with retired astronaut and Senator Mark Kelly about the Columbia disaster. Today marks 20 years since the space shuttle Columbia disintegrated on its way ...

The tragedy spelled the end for the US space agency’s transformative shuttle program. And its memory continues to reverberate in the halls of NASA today, leaving a lasting mark on its ...

To mark the 60th anniversary since the first U.S. spacewalk, we’ve compiled a collection of 10 awesome images captured during ...

Mark Kelly — now a Democratic senator for ... We had Challenger when I was in college in 1986, but a loss of another space shuttle, especially when I was there, I mean, it was a really traumatic ...

Mark Kelly of Arizona to be her running mate ... Kelly, a retired NASA astronaut who flew into orbit on four space shuttle missions, is viewed as a leading contender to become Harris' running ...

Then-First Lady Jill Biden helped mark the occasion during a visit to ... NASA announced that a piece of the Space Shuttle Challenger was found off the coast of Florida.The artifact was discovered ...

“So the 25th space shuttle mission is now on the way ... of seeing the disaster unfold on screen left an indelible mark on American memory. The following chronicle is a snapshot of that morning.

The crewed shuttle mission for NASA ended ... held its “Day of Remembrance” event to mark the sacrifice of astronauts who died in pursuing space exploration.