Galaxy mergers activate supermassive black holes, Euclid data shows, revealing more AGN in merging systems and new insights into galaxy evolution ...

A Star Trek–inspired idea by Miguel Alcubierre kicked off decades of theory and experiments as scientists pursue plausible ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.

A sudden black hole flare unleashed stunning, near light speed winds that echo the Sun’s most powerful eruptions.

Scientists have confirmed that colossal collisions between galaxies trigger titanic eruptions in the centers of those ...

The cosmos has served up a gift for a group of scientists who have been searching for one of the most elusive phenomena in ...

NASA’s Fermi telescope detected a record-breaking gamma-ray burst lasting nearly seven hours. The unusual, multi-pulse ...

The longest gamma-ray burst ever observed has UNC Chapel Hill astronomers questioning the very nature of these cosmic ...

Black holes are notoriously difficult to spot unless they are active, and one type of activity is the destruction of a star, ...

An international team of astronomers, led by SRON, discovered a rapid explosion of matter around the supermassive black hole ...

Record-breaking ultrafast outflow (UFO) winds from a supermassive black hole flung matter across the universe close to the speed of light.

The supermassive black hole in galaxy NGC 3783 was found to be ejecting a unique blast caught by leading X-ray space telescopes.