The stuff that makes up animals, planets, and stars is just a small part of the matter scientists believe is out there. Five-sixths of all matter in the universe is believed to be an invisible ...

A new study argues that dark matter and dark energy might be illusions caused by the universe’s forces fading over time. For ...

This is what scientists want to do to capture the dark matter that makes up most of our universe. To understand the mystery of space, they must descend into the depths of the Earth. You may have heard ...

Scientists have long embraced the fact that forces beyond sight govern the universe. Dark matter, they think, holds galaxies together with extra gravity, and dark energy drives the universe’s ...

Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to their supercomputer simulations. We know it's real because its mass ...

Astronomers have traced the hidden fingerprints of dark matter by observing rare, glowing galaxies that lived in the early universe. A group of scientists led by Rutgers University has found new ...

UC Santa Cruz physicist Stefano Profumo has put forward two imaginative but scientifically grounded theories that may help solve one of the biggest mysteries in physics: the origin of dark matter. In ...

Imagine a star powered not by nuclear fusion, but by one of the universe’s greatest mysteries—dark matter. Scientists have proposed the existence of “dark dwarfs,” strange glowing objects potentially ...