It took 250 years for the Laschamps reversal to take place and it stayed in the unusual orientation for about 440 years. At most, Earth's magnetic field may have remained at 25 percent of its current ...

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.

Earth’s magnetic field has behaved even more dramatically in the past, with the magnetosphere weakening so much that its polarity reversed. This flips the magnetic north and south poles ...

The solar maximum, a period of intense activity, precedes the reversal of the magnetic field, which is manifested by a change in polarity at the poles of our ... this reversal is not synonymous with ...

Did you know that the Sun has a magnetic field just as Earth does? And, every 11 years its polarity changes direction. This is known as a 'flip' - marking the point at which the Sun is halfway ...