Large Hadron Collider

Back-to-back results at Moriond 2026 confirm the most massive bound state ever observed and resolve a two-decade search for the doubly charmed baryon.

The CMS Collaboration at CERN has detected wakes left by quarks speeding through quark-gluon plasma, providing the first direct evidence that the matter filling the universe in its first microseconds behaved as a nearly perfect liquid rather than a gas of free particles.