"It was actually a total surprise to find the satellites in that configuration and we still don’t fully understand why they appear that way." ...

Though tiny, this newfound satellite galaxy around M31 offers big lessons — and questions — about how galaxies evolve.

A Swarm of Dwarf Galaxies Buzz Around Our Milky Way's Twin Imagine the Milky Way and Andromeda as two massive aircraft ...

If you buy through ... powered space telescopes like Hubble and the James Webb. But one backyard astrophotographer has shattered that notion with a stunning photo of the Andromeda Galaxy ...

Since Hubble’s launch, astronomers have discovered over 1 trillion galaxies, but Andromeda stands out as the closest and most significant to our Milky Way. Visible to the naked eye on clear ...

The rosy red structures of a nearby galaxy glow brightly in a new image from the Hubble Space Telescope ... were able to peer ...

A Hubble Space Telescope study takes a close look at the dwarf galaxies surrounding Andromeda. Credit: NASA / ESA / J. Dalcanton / B.F. Williams / L.C. Johnson / PHAT team / R. Gendler Surrounding ...

These satellite galaxies represent a rambunctious galactic "ecosystem" that NASA's Hubble Space Telescope is ... a view of the neighboring Andromeda galaxy. We zoom through a scattering of ...

An curved arrow pointing right. Scientists using NASA's Fermi Gamma-ray Space Telescope have detected a mysterious signal in the Andromeda Galaxy. They're not sure what it is, yet, but there's a ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The Andromeda galaxy, seen here by NASA’s Spitzer space telescope, is the closest large ...

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 ...