A mathematical investigation of galactic data suggests elusive dark matter is confined to the rules of gravity.

From galaxy rotation curves that defy Newton's laws to gravitational lensing that bends light in eerie ways, scientists have ...

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 ...

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

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