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

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

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 ...

There has been considerable debate among physicists over the last 15 years about conflicting measurements of the charge ...

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 ...

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

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

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

Physics at the smallest scales is a challenge of observation: Particles are often fleeting, and the forces that govern their behavior are nearly imperceptible. But now, by exploiting decades-old data ...

Scientists get new measurement of how fast the universe is expanding – and it reveals a huge mystery - Strange measurements ...