Scientists have known for decades that many animals use the Earth's magnetic field for navigation. It's less clear how they do it. A new study suggests earthworms may be a good way to figure it out.

Some 40 kilometers east of the Tanzanian coast in East Africa lies Latham Island, a rocky, utterly isolated and uninhabited ...

Loggerhead sea turtles (Caretta caretta) can learn to associate food with the geomagnetic signatures of various oceanic regions, suggesting that they are able to find known foraging areas using an ...

Earth’s magnetic field is detected by species across the animal kingdom, but new research suggests that sea turtles may be using it in a different way. Scientists have discovered a new reason for ...

An optical illusion, or visual illusion, is a visually perceived image that differs from objective reality. This type of illusion makes the brain's interpretation of an image that does not match the ...

Illustration shows how a smartphone magnetometer can measure a host of biomedical properties in liquid samples using a magnetized hydrogel. Nearly every modern cellphone has a built-in compass, or ...