Here’s what you’ll learn when you read this story: While bones can regrow themselves when they break, teeth aren’t so lucky, and that leads to millions of people worldwide suffering from some form of ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A sliver of what makes sharks so intriguing comes with their ability to regrow teeth. And while a group ...

A protein that quietly suppresses tooth growth may hold the key to regrowing teeth in adults, according to a line of research that has moved from mouse models to the doorstep of human clinical trials.

Some of these facts sound like science fiction. Others feel like glitches in the system. All of them are real. Here are 20 ...

“Ankle bones of Purgatorius exhibit features that indicate it lived in trees, so we initially thought its absence south of Montana could be related to the sweeping devastation of forests from the ...

Humans are the only primates with a chin, leaving biologists to wonder why we acquired this unique feature. According to a new analysis of head anatomy in apes, it probably didn’t evolve for a ...

Well, today is Valentine's Day, which means love and connection are on people's minds, and I recently met someone who studies one form of affection, kissing. Matilda Brindle is an evolutionary ...

Moltbook is a new platform described as a social network built exclusively for AI agents. No humans allowed. Only machines talking to machines. In the course of those agent-to-agent conversations, it ...

Dashiell Hammett mentioned Sam Spade's jutting chin in the opening sentence of his novel, "The Maltese Falcon." Spade's chin was among the facial features Hammett used to describe his fictional ...

This is an extract from Our Human Story, our newsletter about the revolution in archaeology. Sign up to receive it in your inbox every month. When writing headlines for stories about human evolution, ...

As he took his final steps before leaving the moon, Apollo 17 commander Gene Cernan had some poignant closing words: “We leave as we came, and, God willing, as we shall return, with peace and hope for ...

Videos aimed at pets are drawing millions of views. But who’s actually watching? By Emily Anthes Emily Anthes is a science reporter who writes Pet Theory, a column about our creature companions. Show ...