The galaxy's discovery challenges our understanding of how galaxies were formed in the early period after the Big Bang.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Researchers have ...

Some galaxies hit a point in their lives when their star formation is snuffed out, and they become “quenched.” Quenched galaxies in the distant past appear to be much smaller than the quenched ...

The interstellar object designated 3I/ATLAS is hurtling out of our solar system right now, an unremarkable fact that should ...

NASA's next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the ...

Two hungry young galaxies that collided 11 billion years ago are rapidly forming a massive galaxy about 10 times the size of the Milky Way, according to the University of California (UC), Irvine, led ...

The force is with us. A massive, unseen force is pushing our galaxy, the Milky Way, across the universe, according to new research. The Milky Way is in a constant state of motion and moving across the ...

Imagine peering into a nursery and seeing, among the cooing babies, a few that look like grown men. That’s the startling situation that astronomers have stumbled upon as they’ve looked deep into space ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

Imperial Guardians by Dan Abnett and Marcelo Ferreira, a new series spinning out of Jonathan Hickman's Imperial, launches in ...

In a discovery that offers a rare glimpse back to when the universe was just 750 million years old, a team of astrophysicists said Sunday they have detected a tiny galaxy that is the farthest known ...