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

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

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

A new study proposes that the universe may rotate at a nearly undetectable pace, offering a possible solution to the ...

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

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

Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

In recent years, one of the most troubling puzzles in astrophysics has grown more urgent. Scientists have realized that the ...

One of the Holy Grails in cosmology is a look back at the earliest epochs of cosmic history. Unfortunately, the universe's first few hundred thousand years are shrouded in an impenetrable fog.