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

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

Timelapse footage shows the Milky Way passing over Syria's ancient ruins of Palmyra. Palmyra is one of six Syrian sites ...

Chandra X-ray Observatory and X-ray Polarimetry Explorer (IXPE) imagery of the Milky Way's core and supermassive black hole ...

As the temperature dropped, the vast night sky became a stage for distant planets and the steady glow of thousands of stars.

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.

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

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

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

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

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

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