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

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

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

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

A strange, starless object is forcing astronomers to rethink how galaxies are born. Using the Hubble Space Telescope, NASA ...

A wobbling jet from a giant, voracious black hole is suppressing star formation in a distant galaxy—and astronomers have ...

A wobbling jet from a supermassive black hole in a nearby galaxy is blasting gas out at a rate high enough to suppress star formation.

Galaxy clusters are formed by a dense packing of many galaxies, making them the most massive structures in the universe.

Cloud-9 entered the picture in 2023, when astronomers using the Five-hundred-meter Aperture Spherical Telescope (FAST) in ...

He and Douglas Trumbull went from creating a short film for the 1964 World’s Fair to working many exacting months on the ...

The new image incorporates data from additional wavelengths that bring the previously invisible ionized gas cloud into view.

Webb and Chandra reveal two spiral galaxies after an encounter, exposing heated gas, newborn stars and distorted arms, while ...