Spanish astronomers have conducted deep optical imaging of an isolated dwarf galaxy known as NGC 6789. Results of the new ...

First-light images from the Vera C. Rubin Observatory have revealed a 163,000-light-year stream of stars emanating from the ...

An unexpected monster black hole was found hiding inside one of the Milky Way's tiniest neighbors, rewriting what scientists ...

Rubin Observatory’s first image reveals a vast stellar stream behind galaxy M61, likely formed from a disrupted dwarf galaxy, exposing hidden cosmic structures.

The Draco dwarf is a faint, star-poor but dark-matter rich galaxy. Here we see Hubble zooming in on some of its stars. | Credit: NASA/ESA/Eduardo Vitral, Roeland van der Marel, Sangmo Tony Sohn, ...

A dwarf galaxy 100 million light years away is being stripped of its crucial star-forming gas, and it seems that the cosmic ...

BLOOMINGTON, Ind. — An astronomer studying small irregular galaxies has discovered a remarkable feature in one of them that may provide key clues to understanding how galaxies form and the ...

A new image from the Hubble Space Telescope shows a small dwarf galaxy called IC 3430 that’s located 45 million light-years away. This galaxy is classified as both a dwarf galaxy, because of its small ...

A new study of diffuse dwarf galaxies is challenging the prevailing galaxy formation model within the standard Cold Dark Matter (CDM) framework, leading to a proposed new model of dark matter.

Astrophysicists for the first time have calculated the original mass and size of a dwarf galaxy that was shredded in a collision with the Milky Way billions of years ago. Reconstructing the original ...