On Valentine's Day in 2018, a team of scientists walked across a flat expanse in the badlands of northeastern Ethiopia, scanning the ground for fossils. An eagle-eyed field assistant, Omar Abdulla, ...

The enamel that forms the outer layer of our teeth might seem like an unlikely place to find clues about evolution. But it tells us more than you’d think about the relationships between our fossil ...

A timeless question has always fascinated scientists who study the past. Which comes first, the new behavior or the physical tool that perfects it? Do you change how you live and then evolve the body ...

Scientists in Ethiopia unearthed pieces of 2.65 million-year-old fossilized teeth belonging to two members of a newly discovered Homo species that could challenge previously accepted understandings of ...

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 ...

Ancient, fossilized teeth, uncovered during a decades-long archaeology project in northeastern Ethiopia, indicate that two different kinds of hominins, or human ancestors, lived in the same place ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." “This new research shows that the image many of us have in our minds of an ape to a Neanderthal to a ...

Our bodies are not perfectly designed, but are a living archive of evolution. Anatomy reveals a historical record of ...

Wisdom teeth are more than just an uncomfortable dentist appointment. They are evidence of how human evolution cherry-picked ...

BUFFALO, N.Y. ­­ ­ ­­— Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining strong teeth and defending against oral disease.