Dark energy is the placeholder name scientists have given to the unknown force causing the universe to expand faster and ...

A strange energy source at the center of the Milky Way may be a new type of dark matter. Scientists found that hydrogen gas ...

Dark matter could be an entire dark sector of the universe, with its own particles and forces H ave you ever stood by the sea ...

There's a new twist in the hunt for dark matter, the invisible substance believed to make up 85 percent of all the mass in the universe: it may actually be way lighter. In a study published in the ...

The rest of the universe appears to be made of a mysterious, invisible substance called dark matter (25 percent) and a force that repels gravity known as dark energy (70 percent). Scientists have ...

On one hand, it can make direct detection extremely ... We don't know if axions exist or, if they do, if they're responsible for dark matter. But it's still fun to imagine a universe teeming ...

Astrophysics Professor Neta Bahcall discusses her research on dark matter and its effects on the expansion of the universe.

Something strange is happening at the heart of our galaxy. Scientists believe it could be linked to dark matter. A new study suggests an unknown dark matter candidate might be shaping cosmic ...

Residents of a mining town waits for economic recovery while physicists under their feet wait for answers from the universe.