New research suggests that the Milky Way should be surrounded by as many as 100 undetected tiny and faint "orphan" galaxy companions.

Astronomers witnessed two galaxies engaged in an intense deep-space battle for the first time. Watch the “cosmic joust” in action.

Structures known as "zippers" and "twisters" in the early universe may explain why dwarf galaxies tend to line up with each other, as well as hint at how dark matter operates in the universe.

The first test images from the Vera C. Rubin Observatory in Chile showcase thousands of previously unknown asteroids and millions of glittering galaxies.

A group of international scientists discovered three ultra-massive "red monster" galaxies capable of forming their own stars faster than the average nebula.

Since they were discovered in 2019, strange, glowing circles of light in space have mystified researchers. Now called odd radio circles, or ORCs, these rings of light sit in the radio portion of ...

Using the ALMA telescope, astronomers have revealed the internal structure of the first galaxies in the universe, hinting at how our cosmos took shape.

The first images from the Vera C. Rubin Observatory showed off a breathtaking preview of its capabilities — capturing millions of stars and galaxies light-years from Earth, along with thousands ...

A James Webb Space Telescope study is setting the record straight on the ages of some known ancient galaxies, which have turned out to be much older and farther away in space than previously ...

NASA video shows 2 galaxies forming 'blood-soaked eyes' figure in space The pair of galaxies are named IC 2163 and HGC 2207 and are about 80 million light-years away from Earth.