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 ...

It was 40 years ago today (Jan. 28) that the space shuttle Challenger blasted off on its 10th mission to space. Sadly, the vehicle never made it there. Challenger exploded 73 seconds after liftoff ...

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 ...

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty years ago Space Shuttle Challenger climbed into the clear amid blue skies over ...

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 ...

CU Boulder has renamed Williams Village East residence hall after astronaut and alum Ellison Onizuka, who died in the 1986 Challenger disaster.

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 ...

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 ...

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty years ago Space Shuttle Challenger climbed into the clear amid blue skies over ...

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 ...