New images from the North Sea show never-before-seen landforms that were carved by a single, colossal ice sheet 1 million years ago and subsequently buried beneath a thick layer of mud.

This image provided by Hirokazu Nagae, partly enhanced for clarity, shows a 3D landform map of what's believed to be the ruins of a mountain castle discovered in Tatsuno, Hyogo Prefecture.

This image provided by Hirokazu Nagae, partly enhanced for clarity, shows a 3D landform map of what's believed to be the ruins of a mountain castle discovered in Tatsuno, Hyogo Prefecture.

LandScape+ uses remotely sensed data to create landform maps informed by machine learning at a 30-m resolution for mineral exploration, reducing the need for extensive, on-the-ground observations ...