Two new lizard species discovered in Peru

Scientists have discovered two new species of lizards, with colourful splotches of green and brown on their bodies, in the Peruvian rain forest.

Lizard species fight snakes to protect eggs

Snakes may have finally met their match in a lizard species which can fight back if their eggs are threatened, researchers say.

Asteroid wiped out snake, lizard species

The asteroid collision widely thought to have killed the dinosaurs also led to extreme devastation among snake and lizard species.