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 ...

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

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

University of Illinois Physics Professor Paul Kwiat and members of his research group have developed a new tool for precision measurement at the nanometer scale in scenarios where background noise and ...

Two extremely precise experiments agree with a previously shocking measurement of just how big the proton is, which may help ...

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

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 ...

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

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 ...

The concept of entanglement links far-flung particles. That relationship can prove that someone is in the location they claim to be.