A fast-moving river of solar wind is bearing down on Earth’s magnetic field tonight, and aurora watchers from Montana to Minnesota are keeping one eye on the sky and the other on real-time data feeds.
Recently the MagQuest competition on improving the measuring of the Earth’s magnetic field announced that the contestants in the final phase have now moved on to launching their satellites within the ...
Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects of viscosity in their simulation, they revealed a self-sustaining dynamo ...