Discover how the elusive Gila monster survives in harsh deserts and why protecting its habitat is becoming increasingly ...

With its sharp claws, scaly skin and venomous bite, Guatemala’s “Sleeping Child” lizard has earned itself few human friends. One of them, forest ranger Juan Alvarado, has spent the last 17 years of ...

Tens of thousands of years ago, an enormous lizard roamed ancient Australia, and if it's anything like its descendants, we're ...