Scientists have observed a new type of black hole that is too heavy to have been born from a star but still too slim to … The ...

"Theories involving substantial formation of stars prior to or together with the black hole formation and growth are very ...

ENTs occur when stars that are at least three times as massive as the Sun pass so close to a supermassive black hole that its colossal gravity shreds them to pieces. The resulting string of matter ...

With the recent first light milestone for the Vera Rubin Observatory, it's only a matter of time before one of astronomy's ...

Names are a strange thing in astronomy. Sometimes scientists come up with grandiose, simple name, like the Extremely Large ...

At cosmological scales, Albert Einstein’s theory of general relativity has given scientists an immensely accurate blueprint ...

These black holes are the most distant and stable objects we know. Using a technique called very long baseline interferometry ...

Astronomers detect 10 billion-year-old radio waves from a distant galaxy cluster SpARCS1049, revealing a mini-halo that ...

Supermassive black holes usually lurk unseen, but when an unlucky star drifts too close they ignite titanic outbursts ...

NASA, ESA, and ground observatories have detected powerful space explosions caused by black holes tearing apart massive stars ...

Two international teams zoned in on a potential answer to a decades-long mystery surrounding ephemeral cosmic X-rays.

New observations support the idea that hot, diffuse threads of gas called cosmic filaments connect clusters of galaxies ...