Featured Article

Glaciers speak differently; in ways most people never hear. With sensors and microphones, glaciologists have captured clicks and rumbles from deep inside the ice. Each sound connects to a movement or a change.

American forces used forts to guard rivers, coasts, and cities because high ground and thick walls beat guesswork. Some of these old forts still stand proud, while others crumble quietly.

Uncover 34 of the top World Heritage Sites across the globe. Dedicated to preservation and protection, find out why these historical and naturally beautiful places have earned a spot on the list of most important places on Earth.

If sea level rises by 10 feet, there will be chaos all over America—but the threat of such catastrophic flooding is already making things costlier for some unlucky homeowners.

Nobody sets out to abandon a ship. But it happens. Some rust near cities, others sink quietly in lagoons. Most got left out of the story—unless you stumble on them or go digging (or swimming).

The Eye of the Sahara looks like it can’t possibly be natural, which is probably why some fringe archaeologists believe it is actually the lost city of Atlantis.