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

"We thought they were basically all going to be fried because the entire universe turned into a vat of boiling oil." ...

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' ...

The Andromeda galaxy, our cosmic neighbor, is far more turbulent than previously thought. A new survey by the Hubble Space ...

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

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

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

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

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

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

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