Astronomers have made an intriguing discovery that could upend everything we know about the structure of the universe and its ...

Shocking’ results from a major astronomical study have raised doubts about the standard model of cosmology, forcing ...

In simplest terms, the rate at which the universe expands on paper doesn’t match actual astronomical observations. That speed ...

New 3D-printable models of Chandra X-ray Observatory images will allow you to hold a star in your hands and touch a supernova ...

"The new model can account for both structure formation and stability, and the key observational properties of the expansion ...

The potential finds could be contributing to some of the faintest light we can see in the universe, say researchers.

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our noses all this time. Models of how the universe has evolved since the Big ...

At long last, a unified theory combining gravity with the other fundamental forces—electromagnetism and the strong and weak ...

Ever since general relativity pointed to the existence of black holes, the scientific community has been wary of one peculiar ...

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Researchers have developed a new quantum theory of gravity which describes gravity in a way that's compatible with the Standard Model of particle physics, opening the door to an improved understanding ...