The Andromeda Galaxy, also known as M31, is more than just a faint smudge in the night sky; it’s a colossal spiral galaxy, similar in size and structure to our Milky Way, and the closest galactic ...

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda ...

The halo of gas surrounding the Milky Way's neighboring Andromeda galaxy is far larger than previously thought, measuring 2 million light-years across.

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On a clear night, some stars of the galaxy can be seen from Earth.

Researchers using the Hubble Space Telescope have mapped out the enormous halo of gas around the nearest major galaxy to us, the Andromeda Galaxy. Skip to main content Menu ...

In roughly 4 billion years, our home Milky Way galaxy may collide with the neighboring Andromeda galaxy. ... nanotechnology, and exploring how science influences daily life. Trending. Environment ...

The Milky Way once had a massive sibling galaxy that was shredded and cannibalized by the neighboring Andromeda galaxy 2 billion years ago, according to a study out Monday. The Milky Way's sibling ...

The Andromeda Galaxy is, officially, a monster. Astronomers studying our next-door neighbor have discovered that the huge spiral galaxy has quite the cannibalistic past.

Astronomers at the University of Michigan have discovered a new satellite of the Andromeda Galaxy (M31), the Milky Way’s closest major galactic neighbor, and it has broken the record for the ...

The Andromeda galaxy, also known as Messier 31 or M31, is the most massive galaxy in the Local Group of galaxies that also includes the Milky Way and about 45 other known galaxies.

Located at a distance of 2.5 million light-years, the Andromeda Galaxy is readily visible to the unaided eye on dark, clear nights. Here's where you should look this week.

New data show a 50% chance the Milky Way won't collide with Andromeda. A merger with the Large Magellanic Cloud is far more likely. Newsletters Games Share a News Tip ...