First sighting of ‘neutrino fog’ sparks excitement – but is it bad news for dark matter?
Most neutrinos that stream through Earth are produced by fusion reactions in the Sun.Credit: NASA/Goddard/SDO Physicists in Italy and China have for the first time observed glimmers of the ‘neutrino fog’, signals from neutrinos that mimic those expected to be produced by dark matter. The observations are a double-edged sword, says Nicole Bell, a theoretical […]