A cosmic explosion with an energy equivalent to the output of a billion suns went unnoticed by astronomers until they caught ...

A doctoral candidate from the University of Washington may have heard a cosmic explosion that explains how the Moon came into ...

It was only last October that telescopes spotted a gamma ray burst—caused by the collapse of a black hole—that was so ...

NASA’s Hubble Space Telescope has captured a rare moment involving the comet C/2025 K1 (ATLAS) as it began breaking apart. Events like this are not often seen, mainly because comet fragmentation is ...

GRB 230906A, a short gamma-ray burst first detected in 2023, points to a faint galaxy embedded within a long stream of torn ...

Gamma-ray bursts are the universe’s ultimate flash in the pan. In a fraction of a second, they can violently release more energy than our Sun will emit over its entire ten-billion-year lifespan.

Add Yahoo as a preferred source to see more of our stories on Google. Scientists may have to rethink their playbook for studying gamma-ray bursts, the most powerful known cosmic explosions, after a ...

Some of the universe's most extreme explosions leave behind almost no trace. The original explosion is unseen, but our observations can capture the long-lived echo it leaves behind as the shock front ...

In 2023, astronomers using NASA’s Chandra X-ray Observatory and Hubble Space Telescope spotted an unusual class of short gamma-ray bursts, whose origin appeared to be the collision of two neutron ...

NASA’s James Webb Space Telescope reveals new clues about a mysterious cosmic explosion that defies expectations.

A space explosion detected this summer burned for days on end, making it the longest and most unusual gamma-ray burst ever seen. Gamma-ray bursts are the universe’s most powerful explosions. They ...