When it comes to star formation, not all galaxies are the same. Some are quenched, meaning they've depleted their star ...

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

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

Galaxies have an overall internal motion called disk velocity. It’s how gas, dust, and stars move around the galactic center.

Astronomers working with the European Southern Observatory's (ESO) Very Large Telescope (VLT) have detected patterns showing ...

PARIS, France - Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- ...