CNN — Some of the strongest explosions that occur in the universe are gamma-ray bursts. They're quick, incredibly powerful and happen about once a day as the light from some distant cataclysm reaches ...

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

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

Here’s what you’ll learn when you read this story: Primordial black holes are hypothetical black holes thought to have formed moments after the Big Bang. Because they supposedly formed about 14 ...

A strange, ultra-bright flash in a distant galaxy has given astronomers their strongest hint yet that a new class of stellar catastrophe exists. The event, tagged ZTF25abjmnps and also known as ...

Yu-Jing Qin, a postdoctoral researcher at California Institute of Technology (Caltech), led a series of spectroscopic observations using Keck Observatory’s Low Resolution Imaging Spectrometer, ...

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

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

The biggest explosion seen in the universe has been found. This record-breaking, gargantuan eruption came from a black hole in a distant galaxy cluster hundreds of millions of light years away.

This artist’s concept depicts GRB 250702B (left of center) erupting within its host galaxy. This powerful explosion, first detected on July 2, blasted out narrow jets of particles at nearly the speed ...

JWST detects supernova from 730M years after Big Bang, offering rare glimpse of stars in early universe. The event offers scientists a rare glimpse into the final moments of massive stars.