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 superkilonova candidate event, named AT2025ulz, was observed in 2025; LIGO and Virgo first spotted gravitational waves, ...

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

Twinkle, twinkle, little star. How I wonder what you, wait a minute, why are you twinkling so much? Um, guys, that's no ...

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

A puzzling cosmic blast detected in both light and gravitational waves may hint at a previously unseen type of explosion, ...

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

A double explosion, in which a dying star split, then recombined, may be a long-hypothesized but never-before-seen "superkilonova." ...

The combination of a supernova and a kilonova may have produced a rare space explosion that astronomers have never seen ...

An international team of astronomers has achieved a first in probing the early universe, using the James Webb Space Telescope ...

Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been produced by the explosion of a massive star just 730 million years after the Big ...

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