Imagine a serpent as long as a small plane, weighing over a ton! This was Titanoboa, the prehistoric king of the Amazon.

From tropical rainforests and deserts to grasslands and wetlands, snakes inhabit nearly every corner of the planet except ...

This aerial perspective captures a powerful waterfall dropping through steep, forest-covered cliffs, surrounded by dense ...

An international team has identified a new amphicyonid species, named Paludocyon moyasolai, from a skull found 30 years ago ...

An international team has described a new amphicyonid, Paludocyon moyasolai, from a skull found 30 years ago in Els Casots ...

This video shows a sloth hanging among thick branches and large green leaves in the Amazon Rainforest, Brazil, where dense ...

Hawaii is one of the most beautiful island destinations in the world, known for volcanic landscapes, tropical beaches, ...

As if Everest weren't dangerous enough already.

Drinking a cup of coffee every morning contributes about as much to global warming as driving a gasoline car 100 miles.

I left him up. This mountain, on a small island in the Great Barrier Reef, was balmy and lush and exactly how I expected a tropical rainforest to be – beaut ...

From Yellowstone's geysers to Acadia's rocky coastline, discover what makes each of America's 63 national parks worth ...

Coffee farms take a heavy toll on wildlife and the climate, as seen recently with deforestation in Vietnam. But the food you ...