The discovery of the dwarf galaxy Andromeda XXXV --located roughly 3 million light-years away and the smallest yet found in the Andromeda system -- is forcing astronomers to rethink how galaxies ...

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

Andromeda XXXV, the smallest and faintest galaxy ever observed. Located three million light-years away, this miniature galaxy ...

Satellites come in all shapes and sizes, but there aren't any that look quite like SPHEREx, an infrared observatory NASA ...

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

Andromeda XXXV was still churning out more stars, while stars in the satellite galaxies around the Milky Way mostly only had ...

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

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

A spectacular view of the Cat’s Eye Nebula! Captured by NASA’s Hubble Space Telescope, this image of nebula (NGC 6543) shows ...

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

In the primordial darkness, after the Big Bang, nothing drifted but a vast sea of hydrogen and helium. It wasn't until stars ...

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