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 north is not static. Like an anchorless buoy pushed by ocean waves, the magnetic field is constantly on the move as liquid iron sloshes around in the planet’s outer core.
New images from the North Sea show never-before-seen landforms that were carved by a single, colossal ice sheet 1 million ...
Today in Around the World in 50 Experiments, we're heading to Norway! Learn about Vikings, Fjords, Northern Lights and ...