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

Forty years ago, a space shuttle exploded. A teacher and her crewmates lost their lives. A generation of schoolchildren watched it happen live. I was one of them. I was 10 when the Challenger ascended ...

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. Siena Garcia, center, takes an elevator with others during a simulated Mars expedition mission Jan. 16 at the Scobee Education ...

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members. Among the seven crew members were five NASA astronauts, as well as a payload ...

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 ...

WASHINGTON — Wednesday marks 40 years since the NASA Challenger space shuttle exploded less than two minutes after takeoff, killing everyone aboard. Jan. 28, 1986, began a day filled with hope and ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. While the origins of decision-support red teaming are often traced back to the intelligence ...

The Challenger wasn’t the nation’s first space tragedy. Reaching for the stars comes with a cost. But this was the first spaceship to break apart on live television, exploding before our very eyes -- ...

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 ...