By replacing traditional curvature with a quantum potential, this model is consistent with the observed flatness of the universe and naturally leads to a robust inflationary period. Moreover ...

Satellites come in all shapes and sizes, but there aren't any that look quite like SPHEREx, an infrared observatory NASA launched Tuesday night in search of answers to simmering questions about how ...

Theoretical physicists James Hartle and Stephen Hawking, for example, proposed that rather than having a strict beginning as we would understand it, the universe evolved out of a "no-boundary" state ...

An IIT scientist proposes a twin universe born alongside ours, where time flows in reverse. This theory challenges the Big ...

Here's what they might reveal about the origins of life in our universe—if we can get them back to Earth. Clouds of water ice can be seen drifting over ancient volcanoes on Mars. But billions of ...

Here’s how it works. New results from the Dark Energy Spectroscopic Instrument (DESI) suggest that the unknown force accelerating the expansion of the universe isn't what we believed it to be.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. New hints from one ...