The North Pole has been a subject of fascination for centuries, and early maps of the Arctic provide a glimpse into the mysterious beliefs and imaginations of explorers from the 16th century. One of ...

European mission to Mercury just made its sixth flyby of the planet, revealing stunning close-ups of the permanently shadowed ...

Most people have never seen the Little Dipper, because most of its stars are too dim to be seen through light-polluted skies.

Ice Cap At Pole Has Partially Melted"In 1996 I was up there," said Lars Wikander, president of Quark Expeditions. "We were a little bit disappointed because when we reached 90 degrees north, there ...