Across the quiet darkness of space and the buried detectors under Antarctic ice, a set of stubborn anomalies is piling up.

Columnist Natalie Wolchover checks in with particle physicists more than a decade after the field entered a profound crisis.

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 ...

Do kaons decay using a new kind of physics? Researchers are trying to explain their anomalous findings. Their larger experiment is an ongoing investigation of CP symmetry. The anomalies could be ...

In 2023, a subatomic particle called a neutrino crashed into Earth with such a high amount of energy that it should have been ...