Lizards

The panther chameleon, admired for its color-changing abilities, is not a single species, as scientists long thought.

Colorful, spiky and only a few inches long, three new lizard species discovered in the Andes may be the cutest dragon stand-ins on Earth.

Countless scientists, including the ancient philosopher Aristotle, have wondered how the chameleon changes color. Now, researchers have uncovered the lizard's secret.

In a first-of-its-kind case, a pair of conjoined lizards called Quince monitor lizards were discovered at a German zoo, according to a new report.

The penises of lizards evolve six times faster than their other traits, according to the first-ever direct measurement of penis evolution in an animal.

A 248-million-year-old fossil of an ancient reptile found in China is the oldest known member of a well-known group of marine reptiles, and may have lived both on land and in the sea.