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 ...

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 ...

Evidence that modern humans and an older hominin species used the same cave, probably during overlapping periods, has been found during a deep excavat.