On January 28, 1986, Space Shuttle Challenger broke apart just 73 seconds after liftoff. Pilot Michael Smith's final words ...

A cosmic explosion with an energy equivalent to the output of a billion suns went unnoticed by astronomers until they caught ...

The Space Shuttle Challenger exploded 73 seconds into flight on January 28, 1986, killing all seven crew members. Evidence found 40 years later suggests three astronauts activated their emergency air ...

Astronomers have spotted a bizarre cosmic explosion that refuses to play by the rules—and it’s leaving scientists scrambling for answers. GRB 250702B, detected by NASA’s James Webb Space Telescope and ...

An underwater observatory recently detected a startlingly energetic cosmic neutrino. One possible cause involves a phenomenon ...

NASA’s Hubble telescope captured an “extraordinarily” rare moment of a comet exploding into fragments, the space agency said. The comet K1, whose full name is C/2025 K1 (ATLAS), was caught fragmenting ...

Gamma-ray bursts are the universe's most violent flashes — capable of releasing more energy in a fraction of a second than ...

"The sheer amount of radiated energy from these bursts is so large that you can't power them with a core collapse stellar explosion — or any other type of normal stellar explosion." When you purchase ...

A new analysis from NASA using the Hubble Space Telescope shows that the Crab Nebula, the remnant of a supernova recorded in ...

In a stroke of luck, astronomers saw the comet C/2025 K1 (ATLAS) break into four or five fragments in November after it ...

"Until now, it was unknown what type of star would remain after the merger." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, ...