When volcanic eruptions make headlines, the images often depict fiery lava and towering ash clouds. But beneath Antarctica’s ...

One of the biggest challenges in predicting Antarctica's deeply uncertain future is understanding exactly what's driving its ...

Unseen mountains, valleys, lakes, and rivers lie under Antarctica’s mile-thick ice sheet. Changes to those hidden rivers ...

George Steinmetz was drawn to Mount Erebus, in Antarctica, by the ice. The volcano constantly sputters hot gas and lava, sculpting surreal caves and towers that the photographer had read about and ...

This story appears in the July 2012 issue of National Geographic magazine. The scene: a tent on Mount Erebus, an active volcano on Ross Island, Antarctica. The tent is a four-cornered tepee ...

Studies on Antarctica have documented how temperatures ... In the middle of an active volcano at the bottom of the world, dozens of fur seals bask in blowing wet snow. They are mostly unfussed ...