Scientists at Fermilab’s MicroBooNE experiment have ruled out the existence of the elusive sterile neutrino, a particle ...

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 ...

The particle in question, known as a sterile neutrino, was supposed to only interact with gravity and have zero interactions ...

Physicists have spent decades treating mass as something the universe simply hands to particles, a property encoded in ...