Where is the snowiest place on Earth? Snow enthusiasts have been discussing it for a long time, but there’s no consensus.

I got altitude psychosis a few hundred meters from high camp as I scaled the frigid face of Huayna Potosí, one of the highest mountains in the Bolivian Andes. My optimism, my determination ...

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 ...

In 2022, researchers collected caterpillars off a plant in the arid highlands of the Andes Mountains of Chile, then patiently waited to see what they became. Two months later, adult moths ...