Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

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

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

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

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

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

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

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

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

"Everything scattered in the Andromeda system is very asymmetric and perturbed. It does appear that something significant ...

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

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