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 ...

The most recent measurement of a nearby galaxy cluster is deepening a disagreement about how fast the universe is expanding — ...

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

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 ...

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

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

Dark matter is hypothesized to outweigh "ordinary matter" in the universe by a factor of five. That means all the stuff we see around us on a cosmic level, like stars, planets, and moons, and on an ...

Get Instant Summarized Text (Gist) A new cosmological model suggests that the universe's expansion and structure formation can be explained without invoking dark matter or dark energy. This model ...

Earth rotates, the Sun rotates, the Milky Way rotates – and a new model suggests the entire Universe could be rotating.

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