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 ...

A gamma-ray burst (GRB) — the most energetic type of explosion in the universe since the Big Bang — is detected once every day, on average. But what happened on July 2, 2025, was highly unusual: ...

After SpaceX's gargantuan Starship rocket exploded and disrupted air travel during a January test flight, the company was reportedly slow to inform the FAA. Starship had separated from its Super Heavy ...

A Dutch astrophotographer has unveiled a stunning portrait of the Eastern Veil Nebula, revealing the remnants of a colossal stellar explosion. The image, glowing from 2,100 light-years away in the ...

Jan. 28, 1986, 7 spacefarers were killed when shuttle Challenger exploded midair after launching from Kennedy Space Center in ...

SAN DIEGO (KGTV) - A La Jolla High School teacher who was a finalist for the Teacher in Space program reflects on the 40th anniversary of the Challenger disaster and how the tragedy shaped her mission ...

On Jan. 28, 1986, NASA’s 25th space shuttle mission, Challenger, left the launchpad in Cape Canaveral, Florida. Seventy-three seconds into... Lessons and failures from the Challenger space shuttle ...

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 ...