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

From the depths of the ocean to the forest floor at night, some animals can do something that seems almost magical: they make ...

A shiny is a very rare Pokémon that comes in a different color than usual. It may be a fictional concept, but nature has no ...

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 ...

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.

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.

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