Astronomers have made a series of landmark observations of one of the universe's most violent events. Using the U.S. National ...

Astronomers have achieved one of the most precise measurements ever made of the Milky Way’s distant spiral arms, revealing that parts of our galaxy lie farther from Earth than long-established maps ...

China's Einstein Probe has spotted a cosmic explosion from a mysterious source that's unlike anything seen before. The burst was made up of two X-ray flares, about 200 seconds apart, that likely came ...

When some stars die, they do not do so alone, potentially solving a long-standing mystery around a particular class of cosmic ...

WASHINGTON - Astronomers have witnessed a cosmic explosion bigger and brighter than any except the Big Bang. Orbiting telescopes got the fireworks show last spring when they spotted what is known as a ...

A black hole shredded a massive star in a record-breaking explosion, but what astronomers discovered afterward may be even ...

First radio detection of polarized light and Faraday rotation in a gamma-ray burst reveals how magnetic fields shape these ...