The two stars, one dead and one circling the drain, are collectively called V Sagittae. They orbit one another every 12.3 hours and are getting closer with each pass. Eventually, they’ll smash into ...

A team of astronomers believe they've witnessed, for the first time, a star exploding in a mythical "superkilonova." ...

A strange cosmic blast that lit up the sky in two distinct acts is forcing astronomers to rethink how stars live and die. The event, tagged AT2025ulz, appears to be the first known case where a ...

A massive star may have burst, leaving behind two dense, dead cores, which then collided and caused another explosion ...

A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

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

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a gravitational wave signal detected on Aug. 18, 2025.

"The sheer amount of radiated energy from these bursts is so large that you can't power them with a core collapse stellar ...

It's just a matter of time before a dead star reignites in space 3,000 light years away. And you'll be able to see it with the naked eye despite the distance. Astronomers say when the explosion ...

WASHINGTON, Nov 12 (Reuters) - The explosive death of a star - a supernova - is among the most violent cosmic events, but precisely how this cataclysm looks as it unfolds has remained mysterious.