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 ...

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

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

Using the James Webb Space Telescope (JWST), an international team of astronomers has discovered a new Type II supernova. The ...

New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of ...

For the past few years, astronomers have grappled with a cosmic enigma first revealed by NASA’s James Webb Space Telescope ...

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

Since launching in 2021, the James Webb Space Telescope has found hundreds of distant and apparently bright galaxies dubbed ...

James Webb has spotted mysterious little red dots in the early universe that may actually be hidden black holes, challenging ...

A supermassive black hole is reawakening inside a distant galaxy cluster—and after almost 100 million years of slumber, ...

The timecode discovered after Thor's Doomsday teaser is 1 Hour, 17 Minutes, 20 Seconds, which is the moment in Endgame where ...

Positive curvature, like that on a sphere, implies a finite universe, while zero curvature, as on a flat plane or negative ...