A mountain that's hidden in a sea of snow in Antarctica looks strikingly like an ancient Egyptian pyramid when viewed from above. But no human (or alien) hands were needed to build this peak ...

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

The most detailed map to date of the landscape beneath Antarctica's ice sheet has been ... revealing unseen hidden locations of the tallest mountains and the deepest canyons.