We’ve grown up with the idea that the universe will expand forever, meaning the "cosmological constant" is positive. What if it's negative?

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

As just one of all the living creatures on Earth, you're along for the ride as our planet constantly moves in two major ways.

Scientists using NASA's James Webb Space Telescope now think the "little red dots" spotted in the early universe could be a new kind of space object. They call it a "black hole star." Credit: T.

A black hole unlike any seen before has been spotted in the early universe. It’s huge and appears to be essentially on its own, with few stars circling it. The object, which may represent a whole new ...

Discover the groundbreaking work of John Clarke, Michel Devoret, and John Martinis in the field of quantum physics. Learn how ...

The gravitational lensing that causes this rare phenomenon cannot be explained solely by looking at observable ...

Astronomers have a new explanation for mysterious "little red dots" observed in the early universe: Maybe they're not crowded star clusters that upend everything scientists know about galaxies. Maybe ...

Today may require a bit of extra effort from all of us. The Moon in outgoing Sagittarius will square off karmic Saturn in ...

He was sitting at his home computer in Los Angeles using a piece of AI software called FLUX Kontext to generate and ...

With current rocket propulsion technology, it would take tens or hundreds of millennia to reach our neighboring star system, Alpha Centauri,” it read. “The stars, it seems, have set strict bounds on ...

"It's an elegant answer, really, because we thought it was a tiny galaxy full of many separate cold stars, but it's actually, effectively, one gigantic, very cold star." New research suggests that ...