Astronomers have witnessed a young, sun-like star blasting out high-energy gamma radiation for the first time. The observation represents the first evidence that this type of low-mass star, called a T ...

A bright flash of gamma rays observed March 28 by the Swift satellite may have been the death rattle of a star falling into a massive black hole and being ripped apart, according to a team of ...

When space telescopes blazed with high-energy radiation for hours earlier this year, astronomers suspected that they were ...

In a remarkable cosmic event, astronomers have detected a black hole-star merger that has resulted in the longest gamma-ray ...

GREENBELT, Md. — Astronomers combining data from NASA’s Swift satellite, the W. M. Keck Observatory in Hawaii, and other facilities have, for the first time, identified gas molecules in the host ...

The brilliant afterglow of a powerful gamma-ray burst (GRB) has enabled astronomers to probe the star-forming environment of a distant galaxy, resulting in the first detection of molecular gas in a ...

Astronomers observed the fading light of supernova SN 2025kg, which followed the fast X-ray transient (FXT) named EP 250108a.

Gamma-ray bursts were traced to the nucleus of an ancient galaxy about 3 billion light-years away from Earth. By Laura Baisas Published Jun 23, 2023 9:00 AM EDT Get the Popular Science daily ...

Astronomers just caught a dead star in a distant galaxy throwing a massive temper tantrum. A magnetar in galaxy M82 recently sent a huge burst of gamma rays and other radiation blasting out into space ...