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

The Andromeda Galaxy's family of dwarfs are an enigma. First it was the unusual flat plane around which more than half of ...

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

Astronomers have found more ORCs in the years since those initial discoveries, and some of them also appear to have a galaxy ...

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

Astronomers have discovered that the magnetar SGR 0501+4516 is speeding through our galaxy at more than 110,000 mph. This ...

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

These are clumps of hydrogen moving up to several hundred mph faster than gas in the Milky Way’s plane. HVCs are believed to be material falling onto the galaxy from outside it, perhaps from ...

A galaxy from the early cosmos appears to mirror our Milky Way in shape, size, and structure—something no one expected to see so soon. Ancient Light Reveals a Familiar Shape Astronomers have ...