Spanning approximately 220,000 light-years across, the Andromeda Galaxy is the largest galaxy of the Local Group, which also contains the Milky Way.

Structures known as "zippers" and "twisters" in the early universe may explain why dwarf galaxies tend to line up with each ...

Stargazers are in for a celestial treat as our galaxy becomes more visible in late May skies. The increased visibility of the ...

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from ...

Ladi Svoboda told Snopes that the photo was "real but artistically interpreted," while noting that similar shots were ...

Our neighboring Andromeda Galaxy (Messier 31, or M31) appears to sport a lopsided arrangement of satellite galaxies that defy scientific models, stumping astronomers who are also trying to figure ...

Miguel Claro, an astrophotographer, spent five years capturing a stunning image of the Andromeda Galaxy from Portugal's Dark Sky Alqueva Observatory.

A new planetarium and observatory has opened in a national park to offer people the chance to explore the universe. Grizedale ...

The word itself comes from galaktikós kyklos, or “milky circle,” the ancient Greek term for the Milky Way, our home galaxy.