Welcome back to Planet Tyrus: Tyrus Zoo Edition! This week, Tyrus joins Rhett of Rhett’s Exotic Pets to get an up-close look ...

Why do humans rely on XY chromosomes to determine sex, while birds use ZW—and many reptiles use neither, letting temperature ...

In a dry shrubland, a gecko sprints toward shelter. Its greatest danger is not a predator, although hawks circle overhead and ...

Microscopic hairs on gecko skin may trap humid air near the body, helping the reptiles slow water loss in dry environments.

What gives geckos the remarkable ability to run upside down across ceilings and stop short on smooth vertical surfaces? You could call it “the hierarchy of hairs.” In the last 15 years, it has been ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Geckos would ...