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

A subatomic particle long predicted by theorists has finally been observed, ending a decades-long wait in physics. Named Ξcc+ ...

When fundamental particles are heavier or lighter than expected, physicists' understanding of the universe can tip into the ...

UC Santa Cruz physicist Stefano Profumo has put forward two imaginative but scientifically grounded theories that may help solve one of the biggest mysteries in physics: the origin of dark matter. In ...

Physicists working on the LHCb experiment at CERN’s Large Hadron Collider have discovered a new subatomic particle called the Ξcc⁺, a heavy cousin of the proton built from two charm quarks and one ...

Researchers at IPhT (CEA, CNRS) and the Universitat Autònoma de Barcelona have shown that gravity—and with it, ...

Everything we see around us, from the ground beneath our feet to the most remote galaxies, is made of matter. For scientists, that has long posed a problem: According to physicists’ best current ...

A bizarre, record-breaking neutrino detected in 2023 may have originated from an exploding primordial black hole—a relic from ...

Purdue University's Vidya Nagaraju and Kingsly Ambrose measure the size and shape distribution of particles on a Malvern Morphologi G3-ID particle shape analyzer at the Agricultural Particulates Lab ...

Quantum theory explains the behavior of matter and energy at the smallest scales, like atoms and subatomic particles. Unlike ...