A cosmic explosion detected on July 4, 2025, began with a 0.4-second gamma-ray burst and then continued glowing in softer X-rays for nearly 10 minutes. Astronomers say the unusual signal may have come ...

Neutron star collisions are pretty important in the universe, and, perhaps surprisingly, also in our everyday lives. A ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Fermi Gamma-ray Space Telescope discovered that thunderstorms on Earth produce antimatter. These storms also produce gamma ...

Astronomers have been left baffled by a record-breaking cosmic explosion that remained active for 27 days, reports The ...

The international CTAO completed four 23 m gamma-ray telescopes on La Palma, Spain. The LST array is designed to detect 20 ...

In a single experiment, physicists have measured the "excess" emission of high-energy gamma rays from more than a dozen heavy, unstable atomic nuclei. Mapping the gamma-ray emissions of so many ...

In general, pulsars are highly magnetized, rotating neutron stars emitting a beam of electromagnetic radiation, and the most rapidly rotating ones (with rotation periods below 30 milliseconds) are ...

The open-source Python package thermal-bw calculates isotropic gamma-ray absorption and secondary pair spectra, with a ...

The LHAASO observatory has detected gamma rays above 100 TeV from a gamma-ray binary for the first time, challenging current models of cosmic particle acceleration. (Nanowerk News) The Large High ...

New research shows a moderate 30 Gy dose of gamma radiation boosted strawberry growth and flowering, while higher doses ...