For decades, small grooves on ancient human teeth were thought to be evidence of deliberate tool use – people cleaning their teeth with sticks or fibres, or easing gum pain with makeshift “toothpicks” ...

Add Yahoo as a preferred source to see more of our stories on Google. A paleontologist holds a megalodon fossil tooth. Kristen Grace/FLMNH, CC BY-SA The ratios of strontium isotopes in fossil shark ...

Shark teeth found in 5-million-year-old whale skulls provide direct evidence of ancient feeding behavior and predator-prey ...

Compared to the great apes, humans have an exceptionally long childhood, during which parents, grandparents and other adults contribute to their physical and cognitive development. This is a key ...

Fossil teeth unearthed in Ethiopia suggest two distinct human ancestor species lived alongside each other between 2.6 and 2.8 million years ago, reshaping what is known about our evolution. The 13 ...

A Florida teen will have quite the story for his friends to chew on when they all meet back in class after spring break.

NEW YORK — A big catch of fish fossils in southern China includes the oldest teeth ever found — and may help scientists learn how our aquatic ancestors got their bite. The finds offer new clues about ...

Ancient fossils from South China reveal the earliest bony fishes and shed new light on how jaws, teeth, and key vertebrate ...

Ashley and I headed out to some river bank fossil sites when the water was too high to hunt in the river itself. We were not expecting much, but the day turned into an incredible success. We found ...

Add Yahoo as a preferred source to see more of our stories on Google. The fossil that writer Jacopo Prisco ordered online. - Toby Hancock/CNN It stands to reason that a 95 million-year-old tooth ...

Jawbone fragments and teeth from a previously unknown species hint that the evolution of modern apes occurred in what's now ...