A sweeping cosmic census from the James Webb Space Telescope has unveiled nearly 1,700 galaxy groups—marking the deepest and ...

"Black holes are the ultimate cosmic fossils," Jani said. "The masses of black holes reported in this new analysis have remained highly speculative in astronomy. This new population of black holes ...

ESO/L. Calçada, N. Risinger (skysurvey.org), DSS, VISTA, VVV Survey/D. Minniti DSS, Nogueras-Lara et al., Schoedel, NACO, ...

A newly analyzed radio image reveals twin lobes stretching roughly 66,000 light-years on each side of a quasar called ...

In the world of black holes, there are generally three size categories: stellar-mass black holes (about five to 50 times the ...

Sagittarius A* has been seen by human eyes with an "image produced by a global research team called the Event Horizon ...

In a new Physical Review Letters study, researchers have successfully followed a gravitational wave's complete journey from ...

The brutal star-destroying tidal disruption event is only the second ever seen in interacting galaxies.

Astronomers discover more than 100 hidden black holes in a star cluster, revealing surprising movements in ancient galactic ...