Add Yahoo as a preferred source to see more of our stories on Google. This year marks the 40th anniversary of the Challenger explosion, which occurred 73 seconds after liftoff on Jan. 28, 1986, ...

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 ...

Kandice Seiberling and future NASA astronaut Judy Resnik were great childhood friends during the 1950s at Fairlawn Elementary School in Akron, Ohio — they rode bikes and skated together, and ...

Forty years ago, Space Shuttle Challenger disintegrated 73 seconds into its flight, killing its crew of seven and exposing the management culture and decision-making process that led NASA to launch on ...

Jan. 28, 1986, 7 spacefarers were killed when shuttle Challenger exploded midair after launching from Kennedy Space Center in ...

CAPE CANAVERAL, Fla. — January 28, 1986, remains one of the most tragic moments in America’s spaceflight history. After days of delays, Space Shuttle Challenger lifted off from Kennedy Space Center at ...

On Jan. 28, 1986, the Space Shuttle Challenger exploded 73 seconds after takeoff. All seven crewmembers on board were killed, including the first teacher to go into space. The disaster was one of the ...

Main engine exhaust, solid rocket booster plume and an expanding ball of gas from the external tank is visible seconds after the space shuttle Challenger accident on Jan. 28, 1986. "Flight controllers ...