A recent observation of an extremely rare subatomic process allows scientists to test the Standard Model’s boundaries. At the smallest scales, matter is governed by a series of rules outlined in the ...

Scientists know the Higgs boson interacts with extremely massive particles. Now, they’re starting to study how it interacts with lighter particles as well. Immediately after the Big Bang, every ...

Boris Tuchming is at the Institute of Research into the Fundamental Laws of the Universe and in the Department of Particle Physics, CEA University of Paris-Saclay, 91191 Gif-sur-Yvette, France.