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

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

After a 10-year effort, physicists got a value for “Big G” that does not settle the debate over one of nature’s hardest ...

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

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

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

Measurement of W boson particle mass confirms Standard Model of physics and reignites the search for other particles.

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 ...