As humans we need to clean our teeth regularly to prevent cavities, while animals seem to have healthy teeth without using toothbrushes or toothpaste. Why animals do not need to brush their teeth like ...

Giraffes are known for their long, impressive tongues, but they have a cool set of teeth in their mouths as well. Even though giraffes are huge — they are the tallest land animals, after all — they ...

A new scientific study is uncovering unprecedented details about the lives and genetics of extinct human relatives. An international team of researchers has determined the biological sex of an ...

(CNN) — The sensitive interior of human teeth might have originated from a seemingly unlikely place: sensory tissue in fish that were swimming in Earth’s oceans 465 million years ago. While our teeth ...

Australopithecus afarensis (left), Homo rudolfensis (center), and Homo ergaster (right) evolved different dental structures to suit their shifting diets. The findings come from a team led by ...

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 ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

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, ...

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