Can galaxies exist without an outer halo of dark matter? But new research flips this question around, investigating whether ...

Every galaxy is thought to form at the center of a dark matter halo. Stars are formed when gravity within dark matter halos draws in gas, but astrophysicists don't know whether star-free dark matter ...

U.S. National Laboratories (Argonne, Lawrence Livermore, and Oak Ridge) possess three of the world’s fastest exascale ...

But what is it? There, physicists are stumped, even more so than with dark matter, that other mysterious cosmic apparition. At least we know dark matter gravitates. The effect of dark energy seems ...

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 ...

We can't see dark matter, but scientists have made the largest map yet of the invisible material that helps make up the universe. Researchers used a dark energy camera and a large telescope to ...

Columbia University astrophysicist, Janna Levin, explains dark matter — a mysterious type of material that comprises 84.5% of all matter in the universe. Yet, experts understand very little ...

Since then, there has been "cosmic tug-of-war" between two mysterious forces, Joshua Frieman, a theoretical astrophysicist at the University of Chicago, told AFP. Dark matter is thought to pull ...

Evidence suggests that we are suspended in a cosmic sea of dark matter, a mysterious substance ... of cosmology running parallel to our own. There could be dark atoms—made of dark protons ...