The new paper argues that, in SN 1181, the first phase of the supernova fizzled out and left behind an unusually active ...

For more than a century, astronomers have known that some “new stars” flaring into view are not births at all but violent ...

A nuclear winter is a theoretical concept, but if the climate scenario expected to follow a large-scale nuclear war, in which smoke and soot from firestorms block sunlight, came to fruition, global ...

Scientists have revealed for the first time a jaw-dropping early view of an exploding supernova. Observations with the European Southern Observatory's Very Large Telescope (ESO's VLT) have revealed ...

Cosmic “touchdown airbursts” — explosions of comets or asteroids above Earth’s surface — may be far more common and ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

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: ...