Lake Chad, once a vital freshwater source for more than 30 million people across Nigeria, Niger, Chad, and Cameroon, has been disappearing before our eyes. From a vast 25,000 square kilometers in the ...

A river of molten rock continued to pour from a volcano in Congo on Friday, a day after it erupted, killing 45, swallowing buildings and forcing hundreds of thousands to flee the city of Goma.

Glide above the immense and mysterious landscapes of the Congo River Basin with this breathtaking drone video. Witness the sheer scale of the world's second-largest rainforest, a dense, unbroken ocean ...