Astronomers have discovered the smallest dwarf galaxy ever seen. It is a mystery how the satellite galaxy of Andromeda ...

A major discovery on the outskirts of Andromeda is shaking up our understanding of galactic evolution. Astronomers have found ...

Astronomers Learn About Alien Galaxy's Evolution Through Images, Believe 'Something Significant Happened Not Too Long Ago' ...

A discovery made by a team led by researchers at the University of Michigan tugs at the seams of some key cosmic lessons we ...

There is a supermassive black hole at the center of nearly every big galaxy—including ours, the Milky Way (it's called ...

Am astrophotographer has now unveiled the most breathtaking photo of the Andromeda galaxy we've ever seen, and he took it ...

The discovery of the dwarf galaxy Andromeda XXXV—located roughly 3 million light-years away and the smallest yet found in the ...

An ambitious new survey by the Hubble Space Telescope offers the first bird's-eye view of all known dwarf galaxies orbiting ...

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

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

NASA's Hubble Space Telescope reveals surprising details about Andromeda's satellite galaxies, offering fresh insights into ...

The Andromeda galaxy, seen here by NASA’s Spitzer space telescope, is the closest large galaxy to the Milky Way — but it seems to have evolved in a much different way, new Hubble data suggests.