(AP) CAPE CANAVERAL, Fla. — Following an apparently flawless launch, a catastrophic explosion blew apart the space shuttle Challenger 74 seconds after lift-off Tuesday. The explosion occurred about ...

Just 73 seconds after launch, the Space Shuttle Challenger exploded, leading to the loss of seven astronauts, including Christa McAuliffe, the first teacher in space. The cause was identified as a ...

William Lucas, who has died aged 102, was the director of Nasa’s Marshall Space Flight Center in Huntsville, Alabama, the ...

In the video of the Challenger explosion, it shows the space shuttle with icicles dripping down it, a misunderstanding of the frigid temperatures that led to a gasket failure. On a linked webpage ...