If you weren't around in 1986, the significance of the Challenger disaster in the collective memory of your elders may elude ...

Students reflect on the life and legacy of Christa McAuliffe, who was going to be the first schoolteacher in space.

The myth of "routine" spaceflight was tragically shattered in 1986 as thousands of schoolchildren watched space shuttle ...

Seven American spacefarers were killed in a tragic event 40 years ago today that has become widely known as the Challenger ...

NASA's space shuttle Challenger completed 10 missions before it broke apart during a launch in 1986, killing seven astronauts ...

Forty years ago, Americans were shocked when the space shuttle Challenger exploded 73 seconds after it launched on a chilly ...

Seven astronauts lost their lives during the Challenger space shuttle disaster on Jan. 28, 1986. Four decades later, human ...

The space shuttle Challenger explosion was a defining moment of the 1980s. Whether you were watching on TV or in person, ...

NASA's space shuttle Challenger exploded and broke apart Jan. 28, 1986, in the sky over East-Central Florida, killing the ...

Melanie Vickers, of Charleston, West Virginia, was one of 114 teachers in NASA’s Teacher in Space program. One of the ...

Wednesday marked 40 years since the space shuttle Challenger accident that killed seven crew members. The mission was not ...

Wednesday marks 40 years since the NASA space shuttle Challenger broke apart after lifting off, killing all seven people on ...