Have you ever wondered what animals are really thinking when they sense you nearby? Here's the thing: while we hike, drive, or simply exist in shared spaces, countless creatures are working overtime ...

Humans have built lucrative industries out of safari trips: candid on-the-ground looks at wild animals in their natural habitats. But what about the other way around? This Instagram video shows the ...

Mountain lions are perhaps nature's most skilled escape artists when it comes to avoiding human contact. Research from the Wildlife Conservation Society shows these big cats can detect human presence ...

With three hearts, blue blood, and the ability to squeeze through a space the size of their eyeballs, octopuses are said to be like aliens on Earth. The new National Geographic docuseries, "Secrets of ...