Add Yahoo as a preferred source to see more of our stories on Google. Every five years, the National Oceanic and Atmospheric Administration and the British Geological Survey (BGS) jointly update the ...

Add Yahoo as a preferred source to see more of our stories on Google. World Magnetic Model It's time to recalibrate the navigation systems on ships, airplanes, and (given the time of year) Santa's ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. For centuries, the magnetic north pole steadily tracked along Canada's ...

Earth’s magnetic field is what allows us to exist. It deflects harmful radiation. It keeps our water and atmosphere in place. But now it’s acting up — and nobody knows why. But, according to the ...