NASA has been monitoring a strange anomaly in Earth's magnetic field: a giant region of lower magnetic intensity in the skies ...

Likewise, a wire passing through a magnetic field creates an electric current within the wire. This is the basic principle that allows electric motors and generators to operate. In the Earth (see ...

Now, these structures act as time capsules, evidencing the strength of the magnetic field at various points in Earth’s development. An analysis of feldspar from southern Brazil revealed that 591 ...