For the first time, researchers have collected detailed measurements of water vapor high above the surface of the Greenland ...

Instead of being a polar desert characterized by colossal ice sheets and glaciers, it may have been a swampy land of rainforests dominated by ferns and conifer trees. Scientists from the Alfred ...

Predominantly desert, the continent would gain a new inland ... East Antarctica: The East Antarctica ice sheet is so large—it contains four-fifths of all the ice on Earth—that it might seem ...