All teeth evolved from a single ancient sea predator, according to a new study. The study explains how certain species evolved to grow teeth by pinpointing their likely origin in an armored ray that ...

On an early, mid-July morning at a private dock near Midway, Georgia, diver and shark tooth hunter, Bill Eberlein, readies his scuba gear for a couple hours of feeling his way along the Atlantic ...

Megalodon teeth have always been key to understanding the ancient marine predator. Fossilized teeth are all that remain to prove the existence of these massive sharks, and the name megalodon is from ...