A supermassive black hole embedded in an early galaxy likely starved the galaxy of gas needed to form young stars, new ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

A newly released deep-space portrait captures a spiral galaxy whose outer arm appears to curl protectively around a smaller ...

Nearly all stars are found inside or around galaxies, but there are ways for stars to escape into intergalactic space.

Using the Subaru Telescope’s wide-field camera, astronomers have discovered a previously unknown structure surrounding a tiny ...

While nearly all massive galaxies possess central black holes, the presence of such black holes in dwarf galaxies remains an open question, with previous estimates identifying them in only 0.5% of ...

Scientists at the University of Missouri have identified a small group of unusual objects in the early universe. Using NASA’s ...

Astronomers announced the discovery of a starless cloud of hydrogen gas, a pristine relic of the cosmos that is almost as old ...

Astronomers have discovered a ghostly, million-light-year-long bridge of stars connecting two massive galaxies within the Abell 3667 cluster, 700 million light-years away. This glowing thread of ...

Hubble has revealed a strange cosmic object called Cloud-9, a dark matter–dominated cloud with no stars at all. Scientists ...

Astronomers have captured the most detailed look yet at faraway galaxies at the peak of their youth, an active time when the adolescent galaxies were fervently producing new stars.