Pipistrelle bats have a magnetic compass and calibrate it at sunset, according to a new study. An international team of researchers has used behavioral experiments to show that two different ...

A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...

Scientists have known for decades that some animals use the Earth's magnetic field to help them navigate. Think of it as an internal GPS. But how it all works remains unclear. NPR's Nate Rott reports ...

The iPhone Compass is a handy tool that can help you navigate unfamiliar places, level objects, and even detect magnetic fields. However, the compass may sometimes not work correctly due to various ...

The soprano pipistrelle (Pipistrellus pygmaeus) weighs no more than a quarter dollar. Tens of thousands of individuals fly south along the Baltic coast of Latvia in August and September. The soprano ...

Scientists have known for decades that some animals use the Earth's magnetic field to help them navigate, kind of like an internal GPS. How they do it, though, remains unclear. NPR's Nate Rott reports ...