The passing gravitational waves “stretch or contract the universe by around 20 meters [about 65 feet] or so,” says Matthew ...

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

"Interestingly, the quasar powering this massive radio jet does not have an extreme black hole mass compared to other quasars ...

Researchers said on Thursday that they had discovered twin-lobed radio jets they suspect were formed when the universe was ...

An international team of researchers has found dark matter dominating the halos of two supermassive black holes in galaxies ...

These jets become elusive the farther back in time astronomers try to look because of the so-called cosmic microwave ...

Supermassive black holes are seen as sources of wanton cosmic destruction, but there may be more to their powerful influence ...

An illustration of the largest radio jet ever seen in the early universe twice as long as the Milky Way. | Credit: NOIRLab/NSF/AURA/M. Garlick Astronomers have detected the largest black hole ...

How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 ...

Supermassive black holes can fuel their own growth by cooling and recycling gas, creating a continuous cycle of feeding and ...

By revealing a massive radio jet in the early universe, J1601+3102 offers a rare snapshot of early quasar activity.

Researchers using the Event Horizon Telescope have significantly advanced our understanding of the supermassive black hole at ...