Amino acids have been discovered in 48-million-year-old fossil teeth, revealing new insights into ancient life and evolution ...

Roughly 425 million years ago, in the warm seas over what is now southern China, there lived a meter-long bony fish with jaws ...

For decades, dentists and scientists have dreamed of helping people regrow lost teeth. Now, thanks to remarkable advances in genetics, molecular biology, and regenerative medicine, that dream is ...

Recently, the tradition got a pop culture boost from Sailorr, a Vietnamese American artist who wore black grillz in a 2024 ...