The burst seems to have been caused by a highly extraordinary event, but scientists don’t yet know exactly what that could be ...

Astronomers tracked the strangest gamma-ray burst yet. GRB 250702B is a repeating, day-long flash unlike anything seen before ...

A newly discovered gamma-ray burst is unlike any seen before, repeating over the course of a day rather than erupting in ...

Gamma ray bursts are the most powerful explosions in the universe, unleashing as much energy as the Sun will in its 10 ...

Astronomers have detected a repeating gamma ray burst from beyond our galaxy, an event that defies current scientific understanding of stellar explosions.

What does the universe do when it violates its own rules? Last July, astronomers saw a gamma ray event so bizarre that they ...

Using two telescopes, scientists were able to pinpoint the location of the fleeting phenomenon with surprising accuracy ...

Polly Holliday, known for her role in the CBS sitcom “Alice,” has died at 88.

Calvera lies around 6,500 light-years above the Milky Way’s plane. This region holds very few stars of massive size. Stars here rarely form heavy enough to trigger supernovas.

The fast radio burst came from 130 million light-years away. That proximity allowed an in-depth search for what produced the mysterious signal.

The star at the center of the solar system does more than provide light and warmth. It also acts as the most powerful ...

CC0 Usage Conditions ApplyClick for more information. The newfound jets may be related to mysterious gamma-ray bubbles that Fermi detected in 2010. Those bubbles also stretch 27,000 light-years from ...