Giant groundsels are rare plants that grow up to 30 feet (9 meters) tall. They are endemic to the slopes of Mount Kilimanjaro ...

Inside this red circle lies the world’s driest non-polar desert, a place where rain is so scarce it may not fall for years or ...

During the late stages of the last ice age, the Arabian Desert wasn't always the dry expanse you know today. In fact, recent geological and climate research has revealed a very different past—one ...

For centuries, hundreds of millions of people have relied on desert wetlands that are now ... he has watched the oasis shrivel as the rain has all but stopped and the river has dried up.