Pupil shapes vary widely across the animal kingdom, from the W-shaped pupils of cuttlefish to the bar-like pupils of goats.

Growing up, I vividly remember reading through nature-related magazines, fascinated by the vast numbers of creatures inhabiting our planet. I spent summers at my grandmother’s West Virginia home ...

In the movie Hoppers, scientists “hop” human consciousness into animal-like robots to talk to other species. We asked the experts their thoughts on how conceivable the plot is.

By closely monitoring fish throughout their lives, researchers found that simple behaviors in midlife—like movement and sleep ...

Inside the growing scientific quest to understand what creatures with the extraordinary ability to defy the ravages of time can teach us about making human aging better.

Water is the essence of life; yet in the natural world, there are many examples of the opposite being true. There are many ...

The more noticeable ones, however, can produce features that are quite rare for the species. To give you a sense of how these fascinating genetic quirks show up in nature, we’ve put together a gallery ...

Intelligence isn’t unique to humans — as the 15 videos of animals solving problems below are about to show you. The animal kingdom is packed with creatures that can solve complex puzzles, use tools, ...