NASA's James Webb Space Telescope captured two nearby dwarf galaxies interacting with each other in this image released on ...

Astronomers have confirmed the first known triple system in which all three galaxies host actively feeding, radio-bright ...

NASA's SPHEREx has mapped the entire sky in 102 infrared colors, revealing hidden details about galaxies and the early ...

NASA’s SPHEREx space telescope has mapped the entire sky in 102 infrared colors for the first time, revealing cosmic secrets ...

The NSF NOIRLab-operated Gemini North telescope captured stunning imagery of galaxies UGC 12914 and UGC 12915, aka 'Taffy ...

By studying tiny distortions in the shapes of distant galaxies, scientists mapped dark matter and dark energy across one of the largest sky surveys ever assembled. Their results back the standard ...

Another batch of the ‘impossible’ galaxies turned out not to be standard galaxies at all, but a new type of object that ...

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

Galaxy mergers activate supermassive black holes, Euclid data shows, revealing more AGN in merging systems and new insights into galaxy evolution ...

A boom in satellites is brightening the night sky and hindering astronomers’ ability to study distant galaxies, sharpening concerns over who controls access to space. Planned spacecraft launches are ...

The discovery reinforces established theories about space. There could be many more satellite galaxies orbiting the Milky Way than previously thought or observed, according to astronomers. As many as ...

The expanding universe is just the playing field where galaxies interact with each other. The most important way they interact is by gravity, whose range is, theoretically, unlimited. Every galaxy ...