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

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

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.

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

The galactic masterpiece combines over 100 exposures to reveal previously unseen features of stars in formation.

A newly discovered object from deep space may be the oldest comet ever observed—possibly more than 7 billion years old, and ...

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

KiDS J0842+0059 lies around 3 billion light-years away from Earth. It holds a stellar mass almost 100 billion times that of ...

Scientists have used machine learning to dramatically speed up the processing time when simulating galaxy evolution coupled with supernova explosion.

The more shades of color from stars, gas and dust in a galaxy, the more clues to their age, composition and motion, according to the scientists. Sculptor's latest snapshot contains thousands of colors ...