As sunspots emerge on the sun's surface close to its equator, their orientations will match the old magnetic field, while ...

Your navigation system just got a critical update, one that happens periodically because Earth’s magnetic north pole keeps moving. Here’s what to know.

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 sizes. Bar magnets and horseshoe magnets ...

Learn more about the NASA instrument’s mission to take the first full image of Earth’s magnetic field.

Magnetic Force Microscopy (MFM) is a scanning probe microscopy technique ... MFM is based on the detection of magnetic interactions between a magnetized probe tip and the magnetic fields emanating ...