from early ocean crossings to modern GPS. Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with supermassive black holes, surrounded by ... X-Ray Flashes ...

An artist's conception of a black hole's corona, which are the pale swirls above and below the black hole. Credit: NASA / Aurore Simonnet (Sonoma State Univ.) A strange black hole is making ...

An illustration of two black holes about to merge into one. (Image credit: NASA/JPL-Caltech) The finding about LID-568's feeding frenzy was far from the last word on early supermassive black hole ...

The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos. When you purchase through links on our site, we may earn an affiliate ...

As far as supermassive black holes go, the one at the center of the Milky Way is relatively sedate. But, even in its supposed quiescent state, Sagittarius A* is prone to the occasional belch or ...

Space.com was on duty all year to bring you the major developments in the science of the universe's most fascinating entities: black holes. Our fascination with black holes is pretty ...

The jets extending from these blazars can extend millions of light-years in length. Black holes are among the most mysterious cosmic objects, much studied but not fully understood. In pursuit of ...

"The Spiderweb protocluster is an ideal laboratory for investigating the relationship between black holes and star formation in detail." NASA's James Webb Space Telescope found evidence that ...

Binary black holes could form in merging galaxies Light variations suggest binary black holes in PG 1553+153 Gravitational waves may confirm binary black hole systems ...

The water supply in this distant place is huge, containing the equivalent of about 140 trillion times all the water in Earth’s oceans combined. This supply is sitting near a supermassive black hole ...

An active galactic nucleus (AGN) is a region at the center of a galaxy where a supermassive black hole is actively consuming surrounding material. As this matter spirals toward the black hole, it ...

Simulation of two colliding supermassive black holes emitting gravitational waves that could be detected with this novel method. Credit: NASA’s Goddard Space Flight Center/Scott Noble; simulation data ...