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 ...

Scientists discovered sea turtles can learn and remember specific magnetic field signatures of geographic locations, effectively creating their own internal GPS system that helps them navigate ...