At the top of the world, there is a sea—the remains of one, at least. The summit rocks of Mount Everest, the highest ...

Footage of four, rarely-seen snow leopards clambering up snowy cliffs in northern Pakistan has created a frenzy of excitement ...

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 ...

Islamabad, Pakistan (CNN) — Footage of four, rarely-seen snow leopards clambering up snowy cliffs in northern Pakistan has created a frenzy of excitement among conservationists. Snow leopards ...