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.

Dancing turtles have proved for the first time that some animals use Earth’s magnetic field to create a personal map of their favorite spots, scientists said Wednesday. Some animals that migrate ...

The shimmering curtains of the Northern Lights often captivate humans, but for migrating animals, these awe-inspiring ...