For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s ...

Astronomers tallying up all the normal matter—stars, galaxies and gas—in the universe today have come up embarrassingly short ...

In a nutshell Scientists propose that the entire universe might be spinning very slowly (0.002 rotations per billion years), ...

For decades, scientists have been puzzled by the missing mass in the universe. While we know that about 85% of the universe is made up of dark matter, the remaining 15% is made up of normal (baryonic) ...

Learn how astronomers found the invisible ionized gas that forms puffy halos surrounding galaxies.

The groundbreaking findings throw established science into question, write Bernard J.T. Jones, Licia Verde, Vicent J.

Astronomers may have uncovered a hidden population of galaxies that could rewrite what we know about the universe's evolution ...

The collaboration measured the polarization of light from the cosmic microwave background ... and galaxy clusters. In a sense, it's tracing the evolution of the universe from its infancy to ...

For decades, astronomers have known something didn’t add up in our universe. The amount of “normal” matter—stars, gas, and ...

If dark energy is not constant, the effects would be huge. Our current model of the universe, called the Lambda Cold Dark ...