As night settled across Laos, an elusive 2-foot-long predator emerged from its hiding place and began climbing along the rocks. Its “cryptic camouflage” and “secretive” lifestyle helped it go largely ...

For many years, I had no idea that there was a difference between a penguin and a puffin. I learned to love penguins in ...

The efficient architecture of our joints, which allows our skeletons to be flexible and sturdy, originated among our most ...

From the sharp, hooked beak of a hawk to the delicate, nectar-sipping bill of a hummingbird, every shape tells a story of ...