Earth is surrounded by a magnetic field generated by electric currents from within the planet. Compasses take advantage of this field to identify north and serve as a navigational aid. But one social ...

Just as the ancient Minoans of Crete used the stars for maritime navigation, birds today migrate with the help of Earth’s magnetic field. ⇨ Love animals and science as much as we do? Join Pop Mech Pro ...

Like most planets in our solar system, the Earth has its own magnetic field. Thanks to its largely molten iron core, our planet is in fact a bit like a bar magnet. It has a north and south magnetic ...