Powerful, carnivorous Nile monitor lizards are expanding through South Florida's canal systems, with sightings climbing sharply, according to wildlife officials.

Three striking new species of rock-dwelling monitor lizards have been formally described from the savannas of northeastern Queensland, revealing a previously unrecognized evolutionary lineage. The ...

Another giant reptile is clawing its way toward disrupting the South Florida ecosystem as an invasive species. The Nile monitor -- a semi-aquatic lizard equipped with razor claws that can grow up to 6 ...

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

Nile monitor lizards are dangerous, invasive predators in Florida. Here's where they are in the state and what to do if you ...

Bangkok, nine o'clock in the morning. The tropical heat is slowly settling over Thailand's capital like a damp towel.

South Florida is already home to iguanas, crocodiles, and alligators, and all manner of dangerous animals (looking at you, Burmese pythons), but few likely know we also have dragons. Invasive species ...

Nile monitor lizards, an invasive species, are making their presence known in Cape Coral as temperatures rise.

Monitor lizards are often confused with common house lizards. At first glance, both have long bodies, sharp claws and extended tails. When people see a small wall lizard drop its tail and run away, ...

Hundreds of Asian monitor lizards live in the Thai capital’s Lumphini Park and early morning is one of the best times to see them.