Add Yahoo as a preferred source to see more of our stories on Google. Einstein proposed his special theory of relativity 120 years ago, and despite numerous attempts to challenge it, the theory still ...

University of Chicago scientists have solved a 20-year-old puzzle in particle physics using data from an experiment conducted for an entirely different purpose. Physicists had long known that ...

Quark coalescer: the LHCb experiment being upgraded several years ago. (Courtesy: Maximilien Brice/CERN) Physicists working on the LHCb experiment have seen evidence that “quark coalescence” plays a ...

Top result: An artist's impression of top-quark entanglement. The line between the particles emphasizes the non-separability of the top-quark pair, which is produced by LHC collisions and recorded by ...

New results from the world’s largest particle accelerator illuminate the structure of the pentaquark, an exotic particle consisting of five quarks bound together. Quarks, the subatomic particles that ...

Protons can hold an elementary particle heavier than themselves. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Protons may have more "charm" ...