It's been 20 years since space shuttle Columbia broke apart during reentry, killing the entire crew of seven. NASA had high hopes for Columbia's 28th mission. It rocketed into space on Jan. 16, 2003, ...

It was 40 years ago today (Jan. 28) that the space shuttle Challenger blasted off on its 10th mission to space. Sadly, the vehicle never made it there. Challenger exploded 73 seconds after liftoff ...

On this day in history, Feb.1, 2003, as the Space Shuttle Columbia made its decent back to Earth after completing a 16-day mission in space, a real-life nightmare unfolded. The shuttle exploded and ...

Earlier this month, NASA successfully evacuated four crew members from the International Space Station following a medical emergency. The four astronauts — two from the United States, one from Japan ...

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members. Among the seven crew members were five NASA astronauts, as well as a payload ...

23 years ago today, the Space Shuttle Columbia broke apart and crashed in East Texas, with pieces raining down on several counties. It was one of our nation’s worst tragedies, but it brought out the ...

At least two Challenger astronauts are believed to have survived the shuttle's explosion, enduring a harrowing 2-minute, ...

Graduate student Alex Thompson, left, and Hisham Ali, right, talk in front of their plasma tunnel, where a plasma made from argon gas glows purple. Picture a spacecraft returning to Earth after a long ...