Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades ...

The space shuttle's seven crew members died, including one civilian teacher. The tragedy changed the course of NASA's future. On the morning of January 28, 1986, seven crew members were killed when ...

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 ...

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 over Florida, killing all seven ...

AKRON, Ohio — This week marks 40 years since the Space Shuttle Challenger disaster, a tragedy that stunned the nation, halted America’s space program, and forever changed the lives of families, ...

AKRON, Ohio — This week marks 40 years since the Space Shuttle Challenger disaster, a tragedy that stunned the nation, halted America’s space program, and forever changed the lives of families, ...

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 ...

She was one of several students interviewed by the Orlando Sentinel on the day Challenger exploded, killing all seven of its crew 73 seconds after liftoff from Kennedy Space Center on the 25th mission ...

The troubled test flight of Boeing’ Starliner capsule — which turned into a monthslong stay in space for two astronauts — was a debacle in league with shuttle disasters, NASA said.