The upcoming spacewalk will not only focus on repairing NICER but will also involve preparing the Alpha Magnetic Spectrometer ...

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 ...

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 ...

Discover how scientists traced a mysterious radio signal from an ultra-dense neutron star 200 million light-years away, ...

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, ...