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.

The admonition that we must remember the past to avoid repeating it has always struck me as strange. If human history teaches ...

Millions of people from the poor world are trying to cross seas, forests, valleys and rivers, in search of safety, work and ...