Nile monitor lizards, an invasive and dangerous species, are spreading across Florida. Here's where they are and what to do if you see one.

After a large monitor lizard was recently liberated from a storm drain on the side of Loop 101 in Phoenix, people began to wonder what monitors are and whether they belong in Arizona. A monitor lizard ...

There's been a new sighting of the water monitor lizard that's been wandering around parts of Massachusetts and Connecticut. The five-foot-long lizard named Goose crawled out of a second-floor window ...