New research has failed to rule out self-annihilating dark matter as the source of a gamma-ray emission radiating from the heart of the Milky Way.

Astronomers have performed very long baseline interferometry (VLBI) observations of a gamma-ray loud blazar known as TXS 2013+370. The observations, posted November 19 on the arXiv preprint server, ...

NASA’s Fermi Gamma-ray Space Telescope "detected none of the high-energy gamma-ray light" from a nearby supernova. NASA ...

Gamma-ray bursts (GRBs) rank among the most powerful explosions in the universe, releasing immense energy in intense flashes of gamma rays. The most distant GRBs originate from the era when the first ...

A team of astronomers has discovered that the spiral arms of the Milky Way galaxy may stretch further out into space than was ...

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

CAPE CANAVERAL, Fla. (AP) — Scientists have discovered a gamma ray explosion outside our galaxy that’s not only exceptionally powerful, but also long-lasting. What to know about earthquake early ...

Thunderstorms host a rich variety of electrical discharges that span time-scales from microseconds to minutes and produce radiation extending from radio waves up to high-energy gamma rays. Intense ...

GRB 250702B was spotted in July. ESO / A. Levan, A. Martin-Carrillo et al. Astronomers have spotted a gamma-ray explosion unlike any they’ve seen before, with the help of multiple telescopes, ...