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 ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...

Physicists at ETH Zurich in Switzerland have a novel plan to uncover an unknown fifth force of nature long theorized to exist ...

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

NASA’s James Webb Telescope captures the "Cosmic Owl," a rare galactic formation resembling an owl’s face. See stunning images.

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 ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.