The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about 2.5 million light-years. Astronomers use Andromeda to understand the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. When will the Milky Way collide with the Andromeda Galaxy?

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The Milky Way's closest neighbor shines in a spectacular new astrophotography portrait. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking ...

A single photograph taken from orbit has managed to make a rare visual connection between the mundane life on Earth and the vastness of the universe outside. Framed from the International Space ...

Astronomers have long thought that the Milky Way is headed for an inevitable crash with its neighbor, Andromeda. But a new study complicates the story. Researchers have long thought that the Milky Way ...

Scientists from Helsinki, Durham and Toulouse universities used data from NASA’s Hubble and the European Space Agency’s Gaia space telescopes to simulate how the Milky Way and Andromeda will evolve ...