Sleep patterns like REM and SWS evolved in a common animal ancestor more than 300 million years ago.
A pair of Florida hunters bagged a monster alligator, and photos of the massive specimen have gone viral.
A 250-million-year-old skull found in southern Brazil is helping researchers increase their understanding of life before dinosaurs appeared on the scene.
A 100 million-year-old chameleon found in amber reveals that these lizards were scurrying around during the Dinosaur Age.
There are more species of rattlesnakes slithering around the U.S. than previously thought.
A close look at hand prints within a prehistoric rock shelter finds that they belonged to reptiles, and not to our species.
The goal is to safely increase numbers of timber rattlesnakes, which have declined in recent years.
Snakes reveal that recovery from digestion is not complete, leaving behind damage to cells that can accumulate over time.
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