Lizards

North America has 155 species of lizards classified into eight families native to the continent. Check out some of these amazingly colorful creatures.

A newly discovered gecko species belongs to a group with an unusual defensive strategy that might make your skin crawl.

The cracks and crevasses found throughout Baja and northern Mexico create a special environment for one of the region's most unique animals — the chuckwalla.

About 66 million years ago, an ancient sea monster the height of a five-story office building once gnashed its sharp teeth as it swam around the dark waters of Antarctica, a new study finds.

T. rex may have had lips. Yes, you read that right. Lips.

Dreaming dragons? Researchers have discovered REM and slow-wave sleep in lizards for the first time.

Amber-imprisoned lizards from Southeast Asia that date back 99 million years ago make up the oldest assemblage of tropical lizards ever found in amber.

Astonishingly well-preserved Cretaceous lizards caught in amber include specimens with intact skin, visible skin pigment, and soft tissues — and in one case, a lolling tongue.

An 80-million-year-old lizard discovered in southern Brazil has provided a surprising clue about how these reptiles evolved, and where they once lived, according to a new study.

One woman recently became the heroine of her own modern-day fairy tale after she was bitten by a dragon and lived to tell the tale.

The planet is crawling with critters, but scientists are meeting some of them only just now.

Researchers have confirmed an observation made by Charles Darwin more than 150 years ago: That animals living on islands are tamer and less skittish than related animals living on the mainland.

New study finds there’s more than one type of species of collared treerunner.

One of the largest lizards ever discovered gets a celebrity name.

The Philippine island of Luzon boasts more than 150 species of reptiles and amphibians

The lizard opens its mouth wide and flares out its frills when it is frightened.