Gravitational waves spotted by LIGO reveal two black holes, 140 and 100 times the mass of the sun, merged to become a 225 solar mass behemoth.

The powerful merger, designated GW231123, produced an extremely large black hole about 225 times the mass of our Sun.

A puzzling gravitational wave was detected, and astronomers have determined that it comes from a record-breaking black hole ...

In summer, we face toward the Milky Way's hub in the Teapot constellation, home to the galaxy's supermassive black hole.

But in the past two decades, new types of black holes have been seen and astronomers are beginning to understand how they ...

A pair of stars orbiting one another has been found near the supermassive black hole Sagittarius A* using the European ...

Quasar 0957+561, the first known gravitationally lensed quasar, lies near NGC 3079 in Ursa Major. Here's how to find and ...

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 ...

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

A new analysis of BL Lacertae by NASA’s Imaging X-ray Polarimetry Explorer sheds light on the emission mechanisms of active ...

Audrey Lang named an Honorable Mention from the National Science Foundation Graduate Research Fellowship Program for black ...

Cosmic radiation occasionally contains enormous amounts of energy, but we don’t know why or where this radiation comes from.