Andromeda has slowed its star-forming rate over the last 40 million years. Scientists think they finally know why.

The Andromeda galaxy has dramatically reduced its rate of star formation in recent millions of years, and astronomers have identified M32, a nearby smaller galaxy, as the most likely suspect behind ...

Andromeda is the nearest major galaxy to the Milky Way, yet every view of it is ancient. The light reaching Earth tonight ...

Add Yahoo as a preferred source to see more of our stories on Google. A hypothetical view from Earth as the Andromeda galaxy (on left) is about to collide with part of the Milky Way galaxy. Our Milky ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...

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The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a highly lopsided manner. Analysis of cosmological simulations published in Nature Astronomy reveal that ...

NASA's Hubble has discovered that the Andromeda Galaxy is producing far fewer stars than before. Is our giant neighbouring galaxy dying? Here's what scientists found.

A new ultra-faint dwarf galaxy has been discovered in the vicinity of Andromeda (M31), the Milky Way's large neighboring galaxy. The new study, published in Astronomy & Astrophysics suggests that the ...