New evidence suggests that a dwarf galaxy orbiting the Milky Way called Ursa Major III is actually a star cluster.

A distant galaxy nicknamed "Cosmic Grapes" is bursting with massive star-forming clumps — far more than expected — offering ...

Only a fraction of the size of the Milky Way, these galaxies have thus far been too faint for most telescopes to spot.

Ursa Major III, the faintest object in our galaxy, orbits the Milky Way at a distance of more than 30,000 light years. Until ...

Two colliding galaxies have been found to be reorganizing their dwarf satellites, potentially solving a major conundrum ...

The center of our Milky Way galaxy is the latest in a series of stunning cosmic phenomena that should be visible in August ...

The image shows a panoply of stars within a lonely dwarf galaxy called Wolf - Lundmark - Melotte, which lies about 3 million light-years from our home galaxy, the Milky Way, and is about one-tenth ...

The Milky Way is expected to shine every night through August as it gets higher in a darker sky throughout the United States, ...

Instead, dwarf galaxies tended to exist within the same plane. For example, the 11 brightest satellites of the Milky Way share a plane, and many dwarf galaxies around the Andromeda galaxy form ...

Pictured are possible satellites around the dwarf galaxy ESO486-G21. Much of what is known about satellite galaxies comes from big star systems like the Milky Way, but dwarf satellite galaxies are ...