The LHCb collaboration at CERN has confirmed the observation of an ultra-rare particle decay that has puzzled physicists for ...

Red lines show the disintegration of a B-sub-s into two muons in the CMS camera at the Large Hadron Collider. Yello, green and blue are used to denote particles other than muons. Purdue University ...

Once a surprise to physicists, these particles are useful tools inside and outside the realm of particle physics. Every minute, countless muons rain down from space, passing through ...

Add Yahoo as a preferred source to see more of our stories on Google. This image provided by the Fermi National Accelerator Laboratory shows the ring-shaped track that scientists used to study tiny ...

NEW YORK — Final results from a long-running U.S.-based experiment announced Tuesday show a tiny particle continues to act strangely -- but that's still good news for the laws of physics as we know ...