On Sept. 14, 2015 astronomers “heard” two black holes crashing into each other at close to the speed of light. This discovery ...

The fleeting cosmic firework likely originated within the turbulent magnetosphere surrounding a distant neutron star. Fast ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

Of all the unanswered questions in modern science, perhaps the most talked about is whether we are alone in the universe. A ...

NASA astronaut Nick Hague will install patches to the agency’s NICER (Neutron star Interior Composition Explorer) X-ray ...

New observations from the National Science Foundation National Radio Astronomy Observatory's (NSF NRAO) Karl G. Jansky Very ...

Uncover the mystery of Omega Centauri: a stellar-mass black hole is responsible for the fast movement of nearly ten million ...

A long-standing astronomical puzzle has been solved, as scientists have traced the origin of a mysterious "alien" signal ...

Scientists are diving deep into the origins of supermassive black holes, using recent gravitational wave detections as a key ...

A bizarre 53.8-minute cosmic radio signal defies physics, with neutron stars and white dwarfs as potential sources, ...

Astronomers finally discovered the origin of fast radio bursts (FRBs)–mysterious and powerful bursts from outer space first ...

A constellation of small satellites could help researchers view processes in close vicinity of supermassive black holes like ...