A permanent magnet is always magnetic. It has an invisible magnetic field. Only certain materials, such as iron, feel a magnetic force. Permanent magnets can come in lots of different shapes and ...

On Dec. 17, the National Centers for Environmental Information (NCEI) and the British Geological Survey (BGS) released an updated version of the World Magnetic Model, a prediction for how Earth's ...

How do magnets work? Discover the science behind magnetism, from electron movement to magnetic domains, and learn how magnets ...

Geographic north, which is a straight line between wherever you are on the planet and the (geographic) North Pole, doesn’t actually point at the north magnetic pole at all. It’s a bit ...

The planet's magnetic North Pole, where compasses point, has been unexpectedly moving toward Russia. While shifting is not a rare occurrence, the pole is moving both faster and differently than it ...