Nine times in the past 4,000,000 years or so, the earth’s magnetic field has completely reversed. The North Pole became the South Pole, the South Pole the North. During these reversals, scientists ...

The North and South magnetic poles swap places every 300,000 years, in a process that takes as much as 5,000 years. But evidence from an ancient lava flow suggests the poles were once moving 53 ...

Earth spins, shifts, and now… flips? Our planet’s gymnastics routine continues underneath our feet nearly every day, but researchers at the Helmholtz Centre for Geosciences in Germany recently mapped ...

A new video shows how Earth's magnetic field weakened and warped before temporarily flipping during a recent "polar reversal event." When you purchase through links on our site, we may earn an ...