JWST peered at the glowing trail of stars left behind by a candidate runaway supermassive black hole deep in space, revealing ...

For decades, astronomers have known that supermassive black holes lurk at the hearts of essentially all large galaxies, ...

A supermassive black hole in a distant disk galaxy is behaving badly, and the fallout is rewriting what I thought I knew ...

Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have uncovered the largest and most extended stream of ...

Astronomers using the Keck Observatory have discovered a massive 'wobbling' jet in galaxy VV 340a that is actively stripping ...

A supermassive black hole that’s 10 million times the mass of the Sun is hurtling through space, leaving a trail of gas that’s spawning newborn stars in its wake. Astronomers have long theorized about ...

New paper led by UC Santa Cruz undergraduate suggests that long-dormant galaxies deemed to be dead may actually be stunted by ...

Astronomers have found a system of three supermassive black holes, all actively feeding, that appear to be combining into a ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about ...

In observations conducted between April 5 and April 10, 2017, the team looked at the relativistic jet produced by OJ 287, a ...

Astronomers noticed something odd while reviewing radio data from distant space. Three bright signals appeared close together. At first, it looked lik.

Astronomers found a young galaxy cluster with unexpectedly hot gas, suggesting cosmic structures formed faster than once ...