Our next story takes us to the ice of Antarctica, where NASA scientists are launching gigantic balloons that will rise up way into the stratosphere, to near space. Some of these balloons are so big ...

Antarctica is home to a peak shaped like a perfect pyramid — but contrary to what conspiracy theorists say, the mountain's four symmetrical faces were forged through natural processes. When you ...

DOUMER ISLAND, Antarctica — As I stood on skis looking across untouched snowfields and layers of chiseled mountains — with an ocean of icebergs and sea ice behind us — a comment our guide had made ...