Not all lizards are brightly colored! Black tree monitors blend in with shadows cast by dense leaves and branches in the tropical forests where they live. Get to know these intelligent, elusive ...

Every morning in Miami, our fieldwork begins the same way. Fresh Cuban coffee and pastelitos – delicious Latin American pastries – fuel our team for another day of evolutionary detective work. Here we ...

An ornate tree lizard basks beside a 74-million-year-old fossilized log in the Bisti/De-Na-Zin Wilderness. Photo by Jeff Mitton. Every once in a while, an experience reminds us that great gulfs of ...