Compasses were the trusted companions of sailors, explorers, and travelers for centuries, offering a simple way to find north. A small magnetized needle is set on a tiny pivot, allowing it to move and ...

Nocturnal insects may use both the Earth’s magnetic field and visual cues to guide their migratory flight behaviours, according to recent findings.

For the first time, researchers measured the magnetic pull inside a single bacterium, turning a biological mystery into hard numbers.