Teams of physicists at CERN and the University of Tokyo have both taken a major step forward towards understanding a flighty, short-lived particle.
Neutron stars are one possible suspect responsible for an abundance of positrons in the Milky Way. Now astronomers have caught one red handed.
Astronomers think that Earth is showered by 'anti-electrons' because of pulsars, but there are more of these particles coming at us than there should be.
