ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

An ultra-deep image from the National Science Foundation's Dark Energy Camera reveals a wide variety of galaxies in the unusual Antlia Cluster.

The Large Magellanic Cloud is a dwarf galaxy situated about 160,000 light-years away in the constellations Dorado and Mensa. Despite being only 10%–20% as massive as the Milky Way galaxy ...

Ultra-faint dwarf galaxies are the faintest galaxies known in the Universe. They typically house only a few hundred to a thousand stars, a stark contrast to the hundreds of billions in a galaxy like ...

This NASA/ESA Hubble Space Telescope image features a dusty yet sparkling scene from one of the Milky Way's satellite galaxies ... The Large Magellanic Cloud is a dwarf galaxy situated about ...

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic center.

Conflicting distance measurements have added to the uncertainty. One data source places one object at 6,500 light years away, ...

Astronomers have discovered a giant radio galaxy with plasma jets stretching an incredible 3.3 million light-years—32 times ...