The Grand Canyon is a gigantic geological library, with rocky layers that tell much of the story of Earth’s history.

Unearthing a relic from the Cold War era, NASA’s Operation IceBridge has discovered Camp Century, a clandestine US military ...

As the map shows, the naked land beneath the Antarctic ice sheet is a rugged land, covered in mountain ranges, gorges, and jagged terrain. Remarkably, one part of the bed found under the Byrd Glacier ...

Scientists have uncovered how massive underwater waves triggered by iceberg calving secretly fuel glacier melt in Greenland.