PhysicsThe mystery of the mass of the neutrino could soon be solved We have a refined estimate for the mass of the neutrino, the most abundant massive particle in the Universe: its mass is 500,000 times less than an electron News
PhysicsHow big is a proton? We may finally have the answer to this puzzle Our measurements of the proton’s radius clash with one another, which could be a problem for the laws of physics. But a new test has helped unravel the mystery News