Does dark matter follow the same laws as ordinary matter? The mystery of this invisible and hypothetical component of our ...

Does dark matter follow the same laws as ordinary matter? The mystery of this invisible and hypothetical component of our universe—which neither emits nor reflects light—remains unsolved. A team ...

The Hubble Space Telescope has been used to study NGC 1052-DF2 — a galaxy that is lacking dark matter. Credit: NASA's Goddard ...

Astronomers are rethinking one of cosmology’s biggest mysteries: dark energy. New findings show that evolving dark energy models, tied to ultra-light axion particles, may better fit the universe’s ...

A new international study has provided one of the clearest signs yet that dark matter—not a change in gravity—is responsible for the mysterious way galaxies spin. By studying some of the smallest and ...