The Andromeda galaxy (M31) has been captured by the Chandra X-ray Telescope. See the imagery and hear a sonification of it.

Will the Milky Way and Andromeda galaxies collide in several billion years? The odds have changed with a new study using ...

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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 ...