The geographic North Pole is the center of the Northern Hemisphere and the northernmost point on Earth. It stands at a full 90 degrees latitude from the equator—hence the “90° N” sign tourists love to ...

The Martian north polar region is a strange and fascinating place, even by the standards of its strange and fascinating planet. There, the dust that coats the surface of Mars mixes with water ice.

Heat is escaping from Saturn’s moon Enceladus at its north pole, as well as the south, a reanalysis of data from the Cassini ...