Xsuite drew CERN's fragmented beam-simulation tools into a single framework, used to operate existing colliders, design future ones and model medical accelerators.

CMS has searched for the rare decay of the W boson into three light charged hadrons, setting the most stringent limit yet on its branching fraction.

A bound galaxy protocluster with hot, X-ray-emitting gas has been found just one billion years after the Big Bang.