CBS' "Survivor 50" cast is locked and loaded for its upcoming three-hour February 25 premiere, and now we finally have our first look as to how the three tribes of returnees are going to shake out.

As the franchise gears up for its Feb. 25 premiere, take a first look at the season 50 tribes and the complete cast assembled in Fiji. By Terry Terrones The tribe has spoken — and season 50 is ready ...

Deforestation is having a more devastating effect on the Amazon rainforest than earlier data suggested. While cutting down large swaths of trees destroys vital habitats, it also harms the region's ...

Add Yahoo as a preferred source to see more of our stories on Google. An American conservationist revealed astonishing, never-before-seen footage of a modern-day, uncontacted Amazonian tribe (via ...

He revealed astonishing, never-before-seen footage of a modern-day Amazonian tribe while describing his near-fatal encounter. Paul Rosolie revealed new footage of a modern uncontacted Amazonian tribe.

The Amazon rainforest stretches for millions of kilometers, hiding ancient tribes, animals and maybe something else. What if under this mysterious canopy lies an advanced civilization? How did we miss ...

New research tries to anticipate road building to identify areas in the Amazon, Asia and Africa that are likely to face deforestation. By Sachi Kitajima Mulkey Preventing illegal road building could ...

Due to climate change, the Amazon is experiencing longer dry seasons and droughts, which could edge it into a new climate known as the “hypertropics.” Crossing this biome threshold would come with ...

As I’ve followed the long-running negotiations over the Colorado River the last couple of years, very little progress has been made in transforming the century-old system of managing the river’s ...

In the U.S., there are 574 federally recognized Native American tribes and Alaska Native entities, according to the U.S. Department of the Interior. As for Louisiana, the state is home to more ...

The sights and sounds of the Amazon rainforest come alive in this soothing and relaxing video that makes you feel you are in the heart of the world’s most biodiverse rainforest. The team at the Amazon ...