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

spacecraft have mapped lunar landscape features over the decades. Meanwhile, charting the ocean floor has presented its own daunting challenges. The intense water pressure found deep in the abyss ...

The most detailed map yet of the landscape beneath Antarctica's ice sheet has been assembled by a team of international scientists led from the British Antarctic Survey (BAS).

Which leaves an intriguing question: why aren't they scooping up water from the nearby Pacific Ocean? As Patrick Megonigal, associate director of research at the Smithsonian Environmental Research ...