The halo is more extended that astronomers originally thought, and contains enough hydrogen gas to resolve the problem of the ...

About half of the non-dark matter in the universe cannot be accounted for by stars and galaxies alone. Now, scientists say ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

A new analysis of the sky has finally confirmed where the missing half of the Universe's visible matter has been hiding.

The universe is vast and mysterious, with over 85% of its mass composed of an invisible substance known as dark matter.

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

A team of astronomers has created the largest 3D map of our universe to date and tracked dark energy’s influence on the ...

Euclid's first data release offers a breathtaking glimpse into our universe, revealing over 26 million galaxies and ...

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

There’s more to the universe than meets the eye, he found. His studies led astronomy to the dark side, changing our view of ...

These haloes would have continued to grow by accumulating more dark matter over time, eventually reaching masses equal to 10 million solar masses in the current universe. Even smaller dark matter ...

the European Space Agency's dark Universe detective, has made an astonishing discovery -- right in our cosmic ... New Technique to Detect Dark Matter Using Atomic Clocks and Lasers Feb.