SPACE
Monster antimatter particle slams into Antarctica
Words by Rafi Letzter
The surface portion of the IceCube Neutrino Observatory at the Amundsen–Scott South Pole Station in Antarctica
© John Hardin, IceCube/NSF
The most remote particle detector on Earth has detected the most energetic antimatter particle ever: a single ultralight particle that smacked into the Antarctic ice with the thundering energy of 6,300 flying mosquitos. The collision occurred in 2016, but researchers only confirmed the details of the event in March 2021.