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, ...

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 ...

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 ...

CAPE CANAVERAL, Fla. — Families of the astronauts lost in the space shuttle Challenger accident gathered back at the launch site Thursday to mark that tragic day 40 years ago. All seven on board were ...

Earlier this month, NASA successfully evacuated four crew members from the International Space Station following a medical emergency. The four astronauts — two from the United States, one from Japan ...

On January 28, 1986, the space shuttle Challenger exploded shortly after liftoff, killing the seven crew members on board The space shuttle disintegrated over the Atlantic Ocean, just off the coast of ...

The two astronauts were supposed to stay in space for ten days, but ended up staying nine months - NASA investigation equates ...

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 ...

Forty years ago today, Americans were stunned, shocked and saddened when the Challenger space shuttle exploded 73 seconds after liftoff on a cold, cloudless day in Florida. A booster leak ignited the ...