For a few years, one of particle physics’ most unsettling numbers seemed to be pointing somewhere strange. The trouble ...

A thumbnail-sized diamond chip just pulled off something that quantum physics says should be extraordinarily difficult: ...

A special class of sensors leverages quantum properties to measure tiny signals at levels that would be impossible using ...

A new calculation helps narrow down the mass of the W boson, one of the heaviest fundamental particles in the universe ...

The simplicity of a hydrogen atom makes it an ideal model for studying atomic structure and interactions. Yet, despite the ...

Scientists working on Fermilab's Muon g-2 experiment released the world's most precise measurement yet of the magnetic moment of the muon, bringing particle physics closer to the ultimate showdown ...

The universe is expanding about 10% faster than it should be, and a fresh set of measurements just made the problem harder to ...

Out of the billions of proton collision events, recorded in 2016, the CMS team found 117 million in which a W boson resulted, ...

When hundreds of physicists gathered on a Zoom call in late February to discuss their experiment’s results, none of them knew what they had found. Like doctors in a clinical trial, the researchers at ...

A U.S. research lab has announced one of the most precise measurements ever of how a subatomic particle behaves, teeing up a showdown that could either vindicate one of science’s most powerful ...