Cutting-edge computer simulations combined with theoretical calculations are helping astronomers better understand the origin of some of the universe's most energetic and mysterious light shows -- ...

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 ...

Astronomers have discovered the longest gamma-ray burst ever recorded, revealing that a black hole literally consumed a star ...

In the 1960s, the United States, the United Kingdom, and the Soviet Union signed a treaty banning nuclear weapons tests ...

"The gamma-ray burst traveled through intergalactic space at the speed of light for eleven billion years, during which time the Sun and the planets were born." — Timothy Ferris, in the film version of ...

A long-duration gamma-ray burst observed in late 2021 revealed signatures typically associated with short-duration bursts, forcing puzzled scientists to create a new model for the origin of this ...

A supercomputer simulation of a mere 10 milliseconds in the collapse of a massive star into a neutron star proves that these catastrophic events, often called hypernovae, can generate the enormous ...

Watch an animation of a black hole shooting jets of particles through a "collapsing star at nearly the speed of light" and ...

Scientists have pinned down the energy produced by an unusually bright gamma-ray burst detected in 2022, and wow is it a whopper. reading time 2 minutes The gamma-ray burst, affectionately dubbed ...

The gamma ray burst as seen by the European Space Agency’s XMM-Newton observatory. Image: ESA/XMM - Newton/M. Rigoselli (INAF) On October 9, 2022, a gamma ray burst brighter than any before seen swept ...

A snapshot from a simulation showing how the merger of a black hole and a neutron star can generate powerful jets and winds that produce gamma-ray bursts. A new study presents a framework linking the ...