Like other living creatures, humans have been shaped by evolution. Over time, we have developed – and continue to develop – ...

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 ...

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 ...

It's tempting to think that, with our fancy electric lights and indoor bedrooms, humanity has evolved beyond the natural influence of sunlight when it comes to our sleep routines. But new research ...