The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100,000 years to go from one end of our home galaxy to the other.

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

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

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

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

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

A major discovery on the outskirts of Andromeda is shaking up our understanding of galactic evolution. Astronomers have found the dimmest and smallest satellite galaxy yet—Andromeda XXXV—forcing them ...

This is supported by other recent Hubble observations that imaged 100 million stars in the Andromeda galaxy. This merger ...

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

From supermassive black holes to vibrant star clusters and nebulae, check out these 7 mesmerizing cosmic images captured by ...