Every five years, the National Oceanic and Atmospheric Administration and the British Geological Survey (BGS) jointly update the World Magnetic Model (WMM). The newest version shows that the Magnetic ...
Earth’s magnetic north has just crossed an invisible threshold in the Arctic, slipping into a region that modern navigation ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. If you are using ...