Unlike active galaxies that constantly pull in surrounding material, these black holes lie dormant until a star passes by.

Astronomers at MIT, Columbia University, and elsewhere have used NASA's James Webb Space Telescope (JWST) to peer through the ...

Throughout cosmic evolution, although dwarf galaxies are individually small, they are numerous and serve as the fundamental ...

Chile's Vera Rubin observatory is named for the astronomer who changed the way we think about how galaxies move.

Initial study showed that the LRDs are active galactic nuclei (AGN) with supermassive black holes (SMBH) in their centers.

In its first year alone, it will double the amount of data collected so far by every other instrument in the history of optical astronomy.

Astronomers have turned the Atacama Large Millimeter/submillimeter Array (ALMA) into a time machine to peer back in cosmic ...

New research suggests that the Milky Way should be surrounded by as many as 100 undetected tiny and faint "orphan" galaxy ...

Bellis and other volunteers from the group helped visitors view sights like the moon, Mars, and the Hercules Cluster, a tight ...

The mighty James Webb and Hubble space telescopes united to reveal stars being born inside the Small Magellanic Cloud, which ...

There could be many more satellite galaxies orbiting the Milky Way than previously thought or observed, according to ...

Test your knowledge of U.S. astronomers and their groundbreaking discoveries. Challenge yourself with this fun US astronomers ...