Yet much about the landscape under the ice has been uncertain, because ground and air surveys are difficult in the region.
In a new study, researchers explained that less is known about the topography beneath the ice of Antarctica than any other ...
In a landmark study published in Science, researchers have unveiled a high-resolution map of the Antarctic bed. This study ...
How much fresh water is in the United States? It's a tough question, since most of the water is underground, accessible at ...