The existence of the Higgs boson completes the standard model of particle physics. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On April 8, ...

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 ...

Scientists are on the trail of a mysterious five-particle structure that could challenge one of the biggest theories in physics: string theory. This rare particle—never seen before and predicted not ...