It is often said that nature is red in tooth and claw — that’s readily apparent from a viewing of Ocean Predators — but that hasn’t always been the case. Life has existed on our planet, in one form or ...

Scientists have long debated the origins of teeth. Did they evolve from body scales that migrated into the mouths of ancient vertebrates and became adapted for eating -- an idea known as the ...

You hardly give them any thought, yet throughout the day, your teeth play critical roles in your life. Enabling you to enunciate words properly, chew food for better digestion, and greet other human ...

Yara Haridy, an evolutionary biologist at the University of Chicago, likes to stun people by telling them that our skeletons evolved from a jawless fish. “Much of what we have today has been around ...