no year is "typical" anymore for a region that is warming at about twice as fast as the rest of the globe. Right now, broken ice and open waters are inching closer to the geographic North Pole.

Earth’s magnetic north pole has been shifting gradually for centuries due to the movement of molten metals in the planet’s outer core. In the 1990s, magnetic north began to experience an ...

It's time to recalibrate the navigation systems on ships, airplanes, and (given the time of year) Santa's sleigh: the ...