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

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Particles and antiparticles have opposite charges, and they annihilate if they interact, turning into pure energy. In the Big ...

Current models of physics dictate there should be as much antimatter in the universe as matter, but there isn't. Work at the ...

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 them ...

Long-running experiment finds tiny particle is still acting weird: 'Huge feat in precision' The mysterious particles called muons are considered heavier cousins to electrons ...

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

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