Electron microscope images of giant needles. Needles have a cylindrical shape and some taper toward one end of the crystal. (Credit: Courtney Wagner, Ioan Lascu and Kenneth Livi) Magnetic fossils of ...

But for the past several years, scientists have known of a mystery in the magnetotail: a missing storm. They have found a signature of a storm, but no storm to actually go along with it. NASA’s ...

Moroccan rocks suggest that what had been thought to be wild, random movements of continents was actually Earth's magnetic ...

Small magnetic waves have been discovered at Earth's core, with each oscillation working on a seven year cycle. Earth's magnetic field is generated by electric currents generated by the movement of ...