The afterglow of the study's subject, GRB 260310A, was one of the brightest observed in a decade.

In a single experiment, physicists have measured the "excess" emission of high-energy gamma rays from more than a dozen heavy ...

The Jellyfish Nebula, one of the best-studied supernova remnants in our galaxy, may have been hiding a sibling this whole ...

Cosmic rays are made primarily of protons with a few electrons sprinkled in, and they can reach energies even higher than ...

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, ...

Binary star system supernova science just hit a milestone: a Stanford-led team using 16 years of NASA Fermi data confirmed ...

Faint, distant galaxies spotted by the James Webb Space Telescope are beginning to reshape how scientists understand the high ...

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, ...

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 ...

For the first time ever, astronomers have found two sibling stars that each exploded as supernovas, gaining a new view of ...

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 ...