A research team led by Caltech may have just discovered the first-ever superkilonova, a cosmic phenomenon in which a star ...

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 ...

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

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 ...

Astronomers tracked a gamma-ray burst lasting over 7 hours, unseen in visible light, from a dusty galaxy 8 billion light-years away, challenging existing models and raising new questions for science.

Astronomers have spotted an extraordinarily long-lived cosmic explosion lasting more than seven hours, breaking the record as ...

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