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 ...

Have you ever wondered what makes a big cat a big cat? How about which one of these fierce felines is the biggest of them all? This big cats size comparison will cover these facts and more – all while ...

Shy, solitary leopards might lose out to tigers and lions in the game of charisma, but the rosette-patterned big cats are incredibly adaptable — they can survive in the densest of cities just as ...

Research led by the University of Massachusetts Amherst is giving conservationists a precise picture of which habitats to ...

What's the toughest big cat species? Are lions really the kings of the jungle? Do big cats have nine lives? The experts from Big Cats 24/7 tackle these and other tough questions while also sharing ...

If you liked this story, share it with other people. Common leopards in Nepal face unprecedented threats, often making headlines for attacking people and livestock, leading to instances where local ...

The San Diego Zoo on Tuesday announced the birth of twin Amur leopard cubs, the world's most endangered species of big cat. According to a Facebook post, the twins' mother, Satka, gave birth to the ...

In Season 1 of “Big Cats 24/7,” we met Xudum, a clever female leopard determined to be a mother. While she struggled to protect her kills and raise her cubs, she proved to be an amazing hunter, ...