Researchers have found clouds of cold gas embedded deep within larger, superheated gas clouds—or Fermi bubbles—at the Milky ...

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

Scientists are still trying to understand how galaxies formed and evolved from primordial gas clouds into the organized ...

Only a few dozen of these short-lived binaries exist in the galaxy at a time, making the serendipitous find extremely ...

JWST observations help researchers in spotting a 'jellyfish galaxy' with a 'tentacle' full of released stellar material.

This artist's conception depicts ordinary matter in the warm, thin gas making up the intergalactic medium (IGM)—which has ...

Scientists think they found evidence of weird ancient stars called "dark stars" that are powered by dark matter instead of ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

Unusually fast-moving gas clouds near a nearby galaxy suggest they may have come from outside the galaxy. Scientists have ...

Astronomers have confirmed that a recently spotted object is an interstellar visitor, and appears to have come from the ...

Sculptor—officially labeled NGC 253—is considered a starburst galaxy, one heavy with stellar action. It's located 11 million light-years away in the Southern Hemisphere's constellation Sculptor, and ...