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

In the blink of an eye in geological time, Canada has lost one north pole but gained another, a new and different claim to be the true north ...

A new study has recovered a 3.7-billion-year-old record of Earth's magnetic field, and found that it appears remarkably similar to the field surrounding Earth today. A new study, led by the University ...

The Sun's magnetic field impacts the movement of plasma on the sun's surface, but it does not actually impact the amount of heat the sun emits. Solar flares, for example, are huge explosions that ...

Disturbances to Earth's magnetic field can lead birds astray -- a phenomenon scientists call 'vagrancy' -- even in perfect weather, and especially during fall migration. While other factors such as ...