New data establish an upper limit of 0.45 eV/c2 (equivalent to 8 x 10-37 kilograms) for the neutrino mass. KATRIN measures neutrino mass in the laboratory using a model-independent method.

Despite being a key reason why we're here in the first place, the amount of CP violation predicted by the Standard Model of particle physics is far too small to explain the abundance of matter in our ...