Our best models of the cosmos don't add up — but that could change if the universe is actually made of a viscous 'fluid,' a ...

Our Universe was born billions of years ago. And since that time, it's given birth to millions of galaxies, our Solar System, ...

Cosmologists are quietly confronting a possibility that would have sounded absurd a generation ago: the standard picture of a ...

There may not be as nearly as many small galaxies in the early universe as astronomers predict there should be, which has big ...

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...

To explore this long-standing mystery, an international team of scientists formed a group known as the Collaboration for ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Two "fans" representing DESI observations above and below the ...

About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general relativity. Published in 1915, and already widely accepted worldwide by ...

NASA's SPHEREx telescope unveiled its first full-sky map of the universe, combining more than 100 infrared observations into ...

The coldest and densest molecular gas clouds in the interstellar medium can have temperatures of 10 K (-505 °F/-263 °C), ...