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 ...

Add Yahoo as a preferred source to see more of our stories on Google. In this image taken from video, a SpaceX Super Heavy booster is seen exploding June 18 at a test site near the city of Starbase.

BEIJING(AP) — An explosion at a fireworks' shop in China's Hubei province on Wednesday killed 12 people, state media reported, the second such explosion as the country celebrates the Lunar New Year.

Add Yahoo as a preferred source to see more of our stories on Google. Hilary Challis spent a year researching the lives of people who died in the disaster after discovering her relative was involved ...

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 ...