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

A Black Hole May Have Eaten a Star and Produced the Longest Gamma-Ray Burst Ever Recorded ...

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.

Gamma-ray bursts are the most violent explosions in the universe. In a fraction of a second, they can release more energy than the sun will emit across its entire 10-billion-year lifetime. Most are ...

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

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

An international team of astrophysicists from China and Italy has discovered a potential link between gravitational waves and ...

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 ...

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 ...

When space telescopes blazed with high-energy radiation for hours earlier this year, astronomers suspected that they were witnessing something special. The cosmic flash GRB 250702B was no ...

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 ...