MIT astronomers have been captivated by the strange behaviors of a supermassive black located 270 million light-years away, ...

An X-ray observatory used to study neutron stars is “back in the black” and a cosmic ray detector is ready for possible ...

Black holes and neutron stars are among the most fascinating and mysterious objects in the universe. These cosmic phenomena ...

Collapsed dead stars, known as neutron stars, are a trillion times denser than lead, and their surface features are largely ...

Observations of VFTS 243 provide evidence that black holes can form directly from the collapse of massive stars, without a ...

A distant supermassive black hole, the mysterious 1ES 1927+654, emits X-ray pulses unlike anything previously recorded, which ...

Those events are akin to throwing a pebble in a pond, but there are vibrations all the time. Some of them might end up making ...

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

In 2018, a galaxy about 270 million light-years away from Earth exhibited a major increase in activity. It quieted down again by 2020 -- only to dramatically increase its output again in 2023. At that ...

One supermassive black hole has kept astronomers glued to their scopes for the last several years. First came a surprise ...

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

The Andromeda Galaxy, our nearest galactic neighbor, is a majestic spiral galaxy like the Milky Way. Let’s uncover some ...