When a massive star collapses or two neutron stars collide billions of light-years away, the explosion can unleash a brief, ...

Gamma-ray bursts (GRBs) rank among the most powerful explosions in the universe, releasing immense energy in intense flashes ...

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.

A dark matter signal that appears in one place but not another might look like a contradiction. This new study argues it may ...

Astronomers have spotted a bizarre cosmic explosion that refuses to play by the rules—and it’s leaving scientists scrambling for answers. GRB 250702B, detected by NASA’s James Webb Space Telescope and ...

A mysterious glow of gamma rays at the center of the Milky Way has long hinted at dark matter, but the lack of similar ...

Gamma-ray bursts are a relatively new field in space science. The first was discovered in the late 1960s, and in the nearly six decades since, there’s never been a discovery quite like this. It may ...

Dark matter may consist of two particles, explaining why only the Milky Way shows a strange gamma-ray signal while smaller ...

Astronomers have finally identified the source of unusual X-rays from the bright star gamma-Cas, resolving a decades-long ...

GRB 250702B is 'the longest gamma-ray burst that astronomers have ever observed,' according to NOIRLab. See imagery of the ...