In simplest terms, the rate at which the universe expands on paper doesn’t match actual astronomical observations. That speed ...

Astronomers have spotted the farthest spiral galaxy ever seen. Its light has travelled 12.8 billion years to reach Earth.

"We've always known that we need something to complete the puzzle, but we haven't really known what shape or form those ...

The James Webb Space Telescope has discovered Zhúlóng, a candidate for the most distant spiral galaxy in the universe. The ...

The James Webb Space Telescope has discovered Zhúlóng, a candidate for the most distant spiral galaxy in the universe. The ...

For decades, astronomers have known something didn’t add up in our universe. The amount of “normal” matter—stars, gas, and ...

Despite decades of searching for this signal, astronomers have yet to find it. The problem is that our Earth is too noisy, making it nearly impossible to capture this whisper. The solution is to go to ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

Half of the universe's hydrogen has been missing since the Big Bang 13.8 billion years ago, but scientists reckon they've ...

JADES-GS-z13-1-LA is a young galaxy shining just 330 million years after the Big Bang, signaling it's part of a process called reionization.

From a cubic millimeter of brain tissue, scientists have constructed a precise, 3D map of the activity in a mouse’s brain, detailing 84,000 neurons and more than 500 million synapses.

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s ...