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

Names are a strange thing in astronomy. Sometimes scientists come up with grandiose, simple name, like the Extremely Large ...

The Chandra X-ray Observatory view of galaxy group NGC 4839 has revealed that it is "plunging into the Coma galaxy cluster ...

Deep within the Milky Way’s core, researchers have uncovered cold gas clouds racing through a superheated galactic wind.

A distant galaxy 12 billion light-years away shows signs of being a jellyfish galaxy, with trailing streams of gas caused by ...

The highly inclined barred spiral M108 in Ursa Major is sometimes called the Surfboard Galaxy. It's not to be missed.

NASA's James Webb Space Telescope (JWST) has produced a new image of the Bullet Cluster, which is a titanic collision between ...

Researchers discover high-velocity clouds in the nearby spiral galaxy M83. These clouds are moving at speeds significantly ...

In a groundbreaking study published in The Astrophysical Journal, astronomers have discovered high-velocity gas clouds near ...

What happens when two rare ring galaxies collide? They form an infinity symbol—or the face of a cosmic owl, depending on how ...

Galaxies shine in a rainbow of emissions from gas, dust, and stars. Each of these building blocks emits light at specific wavelengths — fingerprints that reveal their age, motion, and chemical makeup.

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