Researchers in the United States’ Fermilab moved the final subdetector for Mu2e into the ...

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 ...

Researchers have made some unexpected readings of mysterious particles called muons, which may make us reexamine the Standard ...

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 ...