A family portrait of the Andromeda galaxy and its orbiting dwarf satellites raises questions about how galaxies evolve.

Hubble's study reveals Andromeda experienced major galactic collisions, unlike Milky Way. Its satellite galaxies show unusual ...

Today, astronomers have measured the distance to the Andromeda Galaxy much more precisely; they find it to be about 2 1/2 million light years away. It is a majestic spiral-shaped galaxy ...

NASA's Hubble Space Telescope has uncovered 36 new dwarf galaxies around Andromeda and ongoing star formation within them, ...

Dalcanton / B.F. Williams / L.C. Johnson / PHAT team / R. Gendler Surrounding the Andromeda galaxy, three dozen tiny galaxies aren't behaving the way scientists expected. NASA's Hubble Space ...

One of the great places to look for dwarf galaxies is the halo of the Andromeda galaxy (also known as Messier 31, or M31 for short), due to its relative proximity. UNIONS is so far the deepest ...

On approach, the Andromeda galaxy will warp the band of the Milky Way across our sky. Eventually, the galaxies' cores will merge. Unfortunately, life as we know it won't exist on Earth as this ...

STARGAZERS are in for a treat this month as a rare planet parade falls in Andromeda galaxy season. "One of the best planet parades in almost half a century" will seen Mars, Jupiter, Saturn ...

Dozens of dwarf galaxies swarming around the Andromeda Galaxy like bees have been caught on camera by the Hubble Space Telescope, which took more than a thousand orbits of the Earth to take enough ...