Add Yahoo as a preferred source to see more of our stories on Google. Desert ecosystems are some of the most richly diverse in the world and yet they are one of the most threatened ecosystems on the ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet initiative has ...

Scientists analyzed chemical and isotopic markers in groundwater to reconstruct changes in water table levels over time.

Some of the Southwest’s most iconic desert trees are running for their lives in what could be a grim harbinger for more temperate ecosystems across the West. A study in Functional Ecology offers ...

The animals are also vulnerable to a range of deadly diseases such as upper respiratory illnesses and the shell disease cutaneous dyskeratosis, which softens their shells. Finally, as climate change ...

(CNN) — Inside a Mojave aster flower, a tiny bee is fast asleep. At night, the pale lavender petals close, providing a safe resting place. In the morning, as birdsong rings out across the desert, the ...

Desert ecosystems are some of the most richly diverse in the world and yet they are one of the most threatened ecosystems on the planet. Deserts, which account for one-third of the earth’s land mass, ...