Sharks' non-bony skeletons were thought to be the template before bony internal skeletons evolved, but a new fossil discovery suggests otherwise. Sharks' non-bony skeletons were thought to be the ...

To compare and classify a "living fossil," the coelacanth, in relation to a moray eel and a bull shark. Review with students the meaning of the phrase "living fossil" (an organism with a basic body ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Without its scary rows and rows of razor sharp teeth, your average ...

The first sex on record was a Scottish square dance. By Rachel Feltman Published Feb 14, 2020 7:00 PM EST Get the Popular Science daily newsletter💡 Breakthroughs ...

When an Australian scientist uncovered an ancient-looking placoderm skull in the 1960s, he thought he'd cracked the code on an evolutionary mystery. This so-called 'platypus fish,' scientists had ...

The evolution of our teeth began among ancient armoured fishes more than 400 million years ago. In the scientific journal Science, an international team led by researchers from Uppsala University ...

Losing your baby teeth is a strange experience. The teeth gradually loosen until they’re replaced by thicker, more durable and permanent ones. But before a tooth can be replaced, it must first undergo ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. Talk ...

What do we have in common with fish, besides being vertebrates? The types of joints we (and most vertebrates) share most likely originated from the same common ancestor. But it’s not a feature that we ...

Sharks' non-bony skeletons were thought to be the template before bony internal skeletons evolved, but a new fossil discovery suggests otherwise. The discovery of a 410-million-year-old fish fossil ...