Electrons in a Van Allen radiation belt (blue) encounter whistler waves (purple) and are sent raining toward the north pole (red). THEMIS satellites are seen near the radiation belt, while UCLA ...
Earth grew a pair of extra "radiation belts" after a supercharged solar storm rocked our planet's magnetic field last year, data from a resurrected NASA spacecraft reveal. And one of the invisible ...
The twin Van Allen Probes have spent more than six years orbiting through Earth's radiation belts. Orbit changes in early 2019 will ensure that the spacecraft eventually de-orbit and disintegrate ...