The earliest recorded vertebrates had four eyes to escape predators in the ancient Cambrian ocean, according to half-a-billion-year-old fossils from China that shed light on our evolutionary origins.

A review of over 500 reports of cannibalistic behavior in snakes finds it's appeared multiple times in different evolutionary lineages, leading researchers to hypothesize it's beneficial for snakes under certain circumstances.

Iconic transition species between dinosaurs and birds may have had weird 'teeth' on roof of its mouth and a highly mobile tongue, study reveals

An ecologist has captured a photo of a peregrine falcon subspecies in an unprecedented location.

The alarming spread of spotted lanternflies across the U.S. has been made possible by cities acting as evolutionary incubators, fine-tuning the insects and enabling them to thrive.

Past anecdotal observations have hinted that great apes play pretend. But now, experimental research shows that our closest living relatives can keep track of imaginary objects.