Physicists were left with more questions than answers this week after returning empty-handed following a painstaking search for an elusive theoretical particle called a sterile neutrino. The results ...

A joint effort between two of the world’s largest neutrino experiments has brought scientists closer to understanding how the universe survived its violent beginnings. The findings could reveal why ...

A new theory proposes that the universe’s fundamental forces and particle properties may arise from the geometry of hidden ...

This discovery is important because it ruled out a major possibility for new physics beyond the Standard Model.

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 ...