NASA's powerful Launch Abort System, designed to outrun an exploding rocket, is the result of years of work from scientists and engineers across the country, including in Southern California's Mojave Desert.

Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air, killing all seven crew members aboard. The disaster occurred at what was then the pinnacle of the U.S.' spaceflight program. When the nascent shuttle program ...

HOUSTON — Forty years ago, the space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members aboard in a tragedy that shocked the nation and reshaped NASA's approach to space flight safety. The disaster occurred on the ...

CAPE CANAVERAL, Fla. — Wednesday marks 40 years since the NASA space shuttle Challenger broke apart after lifting off, killing all seven people on board off the coast of Cape Canaveral, Florida. Investigations have since determined what caused the ...

Forty years ago, on January 28, 1986, the nation gathered to watch the Space Shuttle Challenger launch, a historic mission carrying the first "teacher in space," Christa McAuliffe. But 73 seconds into the space shuttle's 10th mission, disaster struck.

Seven astronauts were killed in the 1986 space shuttle Challenger disaster. Because a teacher was aboard, millions of schoolchildren watched the event live in school. Forty years later, many of those who witnessed it still remember moments from that day.

Senior NASA Test Director Jeff Spaulding said NASA's goal is to "establish a presence" on the moon in the near future.