Influx of Earth-bound positrons must have exotic origin, study suggests

Influx of Earth-bound positrons must have exotic origin, study suggests

The excess positrons arriving at Earth must have a more exotic origin than nearby pulsars, report researchers. Their results are based on observations from the High-Altitude Water Cherenkov (HAWC) gamma-ray observatory in Mexico, which detects the shower of…

Antiproton ring found around Earth

Antiproton ring found around Earth

Antiprotons appear to ring the Earth, confined by the planet's magnetic field lines. The antimatter, which may persist for minutes or hours before annihilating with normal matter, could in theory be used to fuel ultra-efficient rockets of the future.Charged particle