About half of the non-dark matter in the universe cannot be accounted for by stars and galaxies alone. Now, scientists say ...

Zhúlóng is the most distant spiral galaxy ever seen. It formed 1 billion years after Big Bang, yet has a calm structure like ...

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

People are still puzzling over why nearby objects and distant galaxies move away from us at different speeds. There may now ...

A faint cosmic spin – one rotation per 500 billion years – could resolve the stubborn Hubble tension by tweaking standard ...

A never-before-seen image of the cosmic microwave background, combining data from the Atacama Cosmology Telescope (ACT) and ...

A new study suggests the universe may rotate -- just extremely slowly. The finding could help solve one of astronomy's biggest puzzles.

Could the universe be rotating? Discover how this theory may solve the Hubble tension in modern cosmology and physics.

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

For decades, scientists believed the universe started with a single Big Bang—but new research suggests there may have been ...

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