Dark matter is thought to exist everywhere, wrapping around galaxies and helping to shape the largest things in the universe.

Dark matter is some kind of substance that has gravity—it holds galaxies together—yet cannot be directly seen with any ...

We have not been able to detect dark matter yet, even though there are many aspects of the universe that suggest the existence of invisible matter. In one new theory, it is possible that dark matter ...

A new study suggests that faint, ancient ripples in spacetime may hold the key to one of physics’ greatest mysteries.

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an invisible force called dark energy. But new data suggest that this is ...

A team of cosmologists in China has introduced a mathematical framework that investigates two of the deepest mysteries in ...