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 ...

Astronomers realized that a strange cloud of gas was actually a relic of the ancient universe which might help solve some of ...

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

If dark stars existed, they would have been capable of forming in the universe before ordinary stars could have formed. When ...

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

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

When analyzing early universe data, the Standard Model of Cosmology suggests that the universe should be more “clumpy” that ...

While the James Webb Space Telescope provides a window into the ancient universe, SkyMapper focuses on the present by ...

A supermassive black hole embedded in an early galaxy likely starved the galaxy of gas needed to form young stars, new ...

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

More information about a mysterious, energetic burst, formally known as a gamma-ray burst (GRB), spotted in space 13 billion ...