Add Yahoo as a preferred source to see more of our stories on Google. Forty years ago, the space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members aboard in a ...

NASA’s Space Shuttle Challenger lifted off 40 years ago with an unusual crew. In addition to six astronauts, the mission took ...

Add Yahoo as a preferred source to see more of our stories on Google. Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air, killing all seven crew members ...

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 ...

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 ...