In a remote district of western Nepal, a small, unassuming creature has defied extinction. After being absent from the ...

Beneath sea urchins’ exterior spines, rounded skeletons called tests are jewels of color, texture, and symmetry. There are hundreds of urchin species, and they’re found in every ocean on ...

North American river otters, known as cute and playful swimmers, once lived in every major river system in Pennsylvania. But ...

Asian small-clawed otters have a cult following on the internet, particularly in Japan. However, researchers recently found ...