“The first data from the $2bn Alpha Magnetic Spectrometer (AMS) experiment on the International Space Station has confirmed a strange antimatter signal coming from space. However, the experiment has not yet collected enough data to allow scientists to determine the source of this antimatter.
It could be coming from dark matter particles, making this a major breakthrough. Or it could be coming from fast-spinning stellar corpses known as pulsars, making it merely interesting. ...”
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Dark matter as elusive as ever – despite space station results