Quantum physics has quietly been rewriting the rulebook on matter, and the latest breakthroughs suggest that the so‑called fifth state is no longer a niche laboratory curiosity. From orbiting ...

Physicists are rapidly expanding the traditional menu of matter beyond solids, liquids, gases and plasmas, uncovering exotic phases that behave in ways no classroom diagram ever captured. In the ...

European scientists discover a new state of quantum matter in CeRu4Sn6 that challenges physics and changes our view of the universe.