Trees in the Peruvian Amazon are silently preserving the history of human activity, including the destructive impacts of gold ...

Despite encountering desertification episodes for hundreds of years, China's barren land is now transforming into lush ...

Antarctica sits on a hotbed of methane gas. The cracks erupting in its seafloor are causing it to burst out and rise to the ...

The video was recorded near Hawaii's Kilauea volcano, which has been erupting constantly since 1983.