While discussing whether Earth's magnetic field could reverse in the future, astrophysicist Neil deGrasse Tyson noted that Santa Claus actually lived on Earth's South Pole.
Two Australian adventurers who once kayaked to New Zealand said Saturday they had reached the South Pole, the halfway point in their bid to be the first to trek unsupported from Antarctica to the pole and back again.
Norwegian Prime Minister Jens Stoltenberg will join dozens of adventurers at the South Pole this week to mark the 100th anniversary of countryman Roald Amundsen's groundbreaking expedition to the frozen continent.
