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

A team of astronomers has created the largest 3D map of our universe to date and tracked dark energy's influence on the ...

The Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer (SPHEREx) telescope took its ...

Mayall 4-meter Telescope at Kitt Peak National Observatory, continues to build the largest 3D map of the universe ever created ... to as the "cosmic microwave background" or "CMB," and it can ...

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

Physicists may need to come up with a new theory for how the universe works, after a dark energy experiment has produced confounding results.

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