In estuaries—the transitional zones between rivers and the sea—fresh and salt water are constantly battling for dominance. But due to climate change, the saltwater is gaining ground. New research by ...

Explorations of a submerged passage in the Tlayococ cave in Mexico led to an undiscovered room. Within the room, cave explorers discovered bracelets sitting atop stalagmites and other artifacts from a ...

They fought the Egyptians, sacked Babylon, and built elaborate cities. Then the Hittites vanished. Today, new discoveries are ...

While the science is clear – wetlands have lots of benefits and we know how to build more of them – the future is not. The ...

Carved 20,000 years ago into a French cave floor, the world’s oldest 3D map may reveal not just rivers and hills — but the ...

Try local flavors in the highly walkable Madrid de Los Austrias, an underrated cultural district that’s one of Madrid’s first ...