A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth. Our teeth evolved from the piercing “body armor” of extinct fish, which ...

A handful of teeth unearthed in Ethiopia has led to the discovery of a new species of human ancestor. The finding, announced in August in the journal Nature, began with a Valentine’s Day trek seven ...

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 ...

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, ...

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 ...

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 ...

It’s not surprising that many people fear the dentist. Replacing a tooth often requires invasive surgery and implanting a titanium screw into a patient’s jawbone, then waiting months for that to ...

Tesla Monson receives funding from the National Science Foundation. Andrew Weitz does not work for, consult, own shares in or receive funding from any company or organization that would benefit from ...

The toothlike structures represent a step toward bioengineered replacements for dental implants, say researchers behind the work. Lose an adult tooth, and you’re left with limited options that ...