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 ...

Swaths of butterflies flutter around Chalong Thongsong and his team of rangers and researchers as they walk along a muddy ...

Conservationists are taking an unorthodox approach to save jaguars from dying out in Argentina's northern forests: matchmaking a captive female with a wild male.

The first IUCN Green Status of Species assessment for the tiger (Panthera tigris) finds that the world's largest cat is ...

After spending months watching them from a distance, a leopard breeding center in Saudi Arabia announced the birth of triplet cubs, a “major milestone” for the species. The Arabian leopards, a ...

The Sri Lankan Leopard (Panthera pardus kotiya), endemic to the island and with fewer than 1,000 mature individuals remaining ...