A look at the surreal landscapes of Socotra, home to some of the most unusual and alien-looking trees on Earth. Known for ...

The tropics and subtropics, collectively the Greater Tropics, are home to most of Earth’s biodiversity and humanity, and are undergoing unprecedented transformations driven by global change. In this ...

For generations, artists and science-fiction writers have imagined alien landscapes beneath twin sunsets. The image became ...

CC0 Usage Conditions ApplyClick for more information. Unchecked for centuries, these trees have crushed the masonry of an Angkor temple. The structure will slowly be ...