A cosmic explosion with an energy equivalent to the output of a billion suns went unnoticed by astronomers until they caught ...
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 ...
NASA’s Hubble Space Telescope has captured a rare moment involving the comet C/2025 K1 (ATLAS) as it began breaking apart.
The scientific wonderers at What If analyze the blinding light and electromagnetic pulses of an atomic blast occurring in the ...
Gamma-ray bursts are the universe's most violent flashes — capable of releasing more energy in a fraction of a second than ...
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. Forty years ago, the space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members aboard in a ...