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

Two of the objects in the arrangement are cold brown dwarfs, which will serve as a benchmark for others throughout the Milky ...

Ursa Major III was initially classified as an ultra-faint dwarf galaxy, and Keck's DEIMOS spectrograph measured the stars' motions. About 60 stars share almost the same velocity, confirming a bound ...

Astronomers have discovered a rare quadruple star system with two red dwarfs and two brown dwarfs orbiting together.

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

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

The center of the Milky Way, which Dyches refers to as "the core," became visible in June and is expected to shine every ...

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.

A billion or so years into its evolution, the icy dwarf planet Ceres may have had the right conditions to sustain life, which ...

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

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