The International Space Station with the particle-detecting Alpha Magnetic Spectrometer-2 visible at centre left
NASA
The neighbourhood of space where the International Space Station (ISS) resides seems to be littered with unexpected quantities of antimatter – and the culprits may be mysterious particles of dark matter.
“We were very surprised. This is weird, and the mechanism that is producing this amount of antimatter should be something exotic,” says Pedro De La Torre Luque at the Autonomous University of Madrid in Spain. He and his colleagues found hints of this antimatter by analysing 15 years of data from the Alpha…