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." ...

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

Astronomers discover an 850,000 light-year-long cosmic filament in the early universe, providing insights into large-scale ...

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.

This artist concept depicts a reconstruction of what the Firefly Sparkle galaxy looked like about 600 million years after the big bang if it wasn’t stretched and distorted by a natural effect known as ...

One researcher’s analysis of Webb Space Telescope images could indicate that we’re all stuck in a black hole, according to ...

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 ...

At the center of our galaxy, hidden behind dense clouds of gas and dust, the black hole Sagittarius A* rotates rapidly, ...

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

Yet somehow, this tiny galaxy survived without being fried. "These are fully functional galaxies, but they're about a millionth of the size of the Milky Way," team member and University of ...