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

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

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 ...

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 ...

Astronomers used major telescopes across the world to probe a cosmic explosion 8 billion light-years from the solar system.