Monitor lizards are among the largest and most dangerous lizards in the world, combining size, speed, and powerful jaws. This exhibit-by-exhibit tour reveals how different species rely on sharp teeth, ...

Meet the Nile monitor, an invasive species that the U.S. Geological Survey has called the largest and most dangerous lizard in America. It's well established in Florida, and there have been sightings ...

"He's a big fella, and he's scary," homeowner Zachary Lieberman told "GMA." A 6-foot-long lizard has been terrorizing a Florida family for weeks after taking up residence in their backyard. "He's a ...

The U.S. Fish and Wildlife Service has recently proposed listing the Borneo earless monitor, an elusive lizard endemic to the Southeast Asian island of Borneo, as threatened under the Endangered ...