Contemporary physics still wrestles with a question posed by philosophers millenia ago: What is the universe made of?

Researchers saw a chain of atoms in a quantum simulator go from being magnetic to not magnetic at all, the first time such a ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

A new analysis of data from the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) reveals fresh evidence that collisions of even very small nuclei with large ones might create tiny ...