Every galaxy is thought to form at the center of a dark matter halo—a region of gravitationally bound matter that extends far ...

Primordial black holes could inhabit the modern-day cosmos, making them responsible for the phenomenon of dark matter, ...

Ethan Nadler, a computational astrophysicist at UC San Diego, may have found an answer. Using analytic predictions from ...

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 ...

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

Dark matter is a confounding concept that teeters on the leading edges of cosmology and physics. We don't know what it is or ...

In this video dispatch, see how a cosmic collision provides evidence that dark matter really exists. According to Neil deGrasse Tyson, "dark matter" and "dark energy" could just as well be called ...