Using various telescopes, an international team of astronomers has performed multi-wavelength observations of a recently ...

A decades-old cosmic mystery has finally been cracked: the strange X-rays coming from the bright star gamma-Cas are caused by ...

A dead star accelerates protons to extreme speeds, shedding light on the origin of the most energetic cosmic rays.

The LHAASO observatory has detected gamma rays above 100 TeV from a gamma-ray binary for the first time, challenging current ...

CAPE CANAVERAL, Fla. (AP) — Scientists have discovered a gamma ray explosion outside our galaxy that’s not only exceptionally powerful, but also long-lasting. Mess Fest: It could get ugly, educational ...

China’s Large High Altitude Air Shower Observatory (LHAASO) has detected ultra-high-energy gamma rays above 100 TeV from the ...

A team of astronomers have observed an explosion in the universe unlike any ever witnessed before. The gamma-ray bursts from outside the Milky Way galaxy repeated several times over the course of a ...

Gamma-ray binaries represent one of the most dynamic and intriguing classes of high-energy astrophysical systems. These binaries typically consist of a massive star and a compact object – often a ...

Astronomers studying GRB 250416C have found it to be an optically dark gamma-ray burst with an exceptionally wide jet, a rare feature among such events. Multi-wavelength observations revealed a ...

For years, scientists have searched for the sources of the most energetic particles in ...