You've heard the expression "to heave your guts" used to refer to vomiting. In the case of frogs and toads, "heaving your guts" can have a literal connotation.
What prehistoric reptile had a knobby head, body armor, and walked on all fours like a cow?
Now extinct, plesiosaurs were predatory creatures that haunted the deep seas.
Temperature determines the sex of painted turtle hatchlings, and climate change is tipping the balance to an all-female future.
Birds and many reptiles evolved a specialized way of breathing—one-way air flow.
You probably already know that humans are warm-blooded, while creatures like snakes are cold-blooded. Scientists prefer the terms endothermic and ectothermic.
Is there still such a thing as a plesiosaur? What do we know about them?
Scientists found that nearly identical genes play key roles in the formation of the eyes in mammals and fruit flies.
Quite apart from the crocodile lore, crocodiles share an interesting physiological feature with marine turtles and other reptiles.
In mammals, the sex of a baby is determined by the chromosomes it inherits from its parents. But, the combination an animal inherits can be quite different.