Surprising differences in the two so-called Large Low-Velocity Provinces may risk instability in Earth's protective magnetic field.

Many migratory birds use Earth’s magnetic field as a compass, but some can also use information from that field to determine more or less where they are on a mental map. Eurasian reed warblers ...

their ability to orient themselves using Earth’s magnetic field as a compass was completely disrupted. This suggests turtles have one mechanism for detecting their position (the magnetic “map ...

High above Earth's poles, intense electrical ... "The utilization of the Zeeman technique to remotely map current-induced magnetic fields is really a game-changing approach to get these ...