Ursa Major III was considered a dark matter galaxy, but was found to be a compact star cluster with a dense core of black ...

Ursa Major III/Unions 1 (UMa3/U1), the faintest known satellite of our galaxy, orbits the Milky Way at a distance of more ...

In a groundbreaking study published in the Astrophysical Journal Letters, scientists have reevaluated the nature of Ursa ...

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

The impending merger of the two galaxies hints at what might be in store for the Milky Way and the Andromeda galaxy if and ...

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

The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe.

(CNN) — A collision between our Milky Way galaxy and its largest neighbor, the Andromeda galaxy, predicted to occur in about 4.5 billion years, has been anticipated by astronomers since 1912 ...

Astronomers now believe the Milky Way’s “inevitable” collision with a neighboring galaxy is much less likely than originally thought.

(CNN) — A collision between our Milky Way galaxy and its largest neighbor, the Andromeda galaxy, predicted to occur in about 4.5 billion years, has been anticipated by astronomers since ...