NASA recently paid tribute to the Challenger crew and other fallen astronauts during its annual Day of Remembrance.
TV viewers witnessed a tragedy in the skies above Florida. America lost is favorite astronaut-teacher Christa McAuliffe.
It's been 39 years since the Challenger space shuttle, carrying seven people, took off from Florida's Kennedy Space Center, ...
As we reflect on the Challenger mission, 39 years later we want to know, what memories do you have of the shuttle, its crew, ...
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 ...