Two new papers analyze fossils found in Canada and Kenya, respectively—vastly different environments for the preservation of ...

The protein sequences were 20 million years old, which is more than 15 million years older than the previous record-holders.

Proteins from an ancient rhino tooth unearthed in the Canadian Arctic have allowed scientists to look much deeper into the ...

Hippos are some of the earth’s largest land animals. Their name derives from Greek when they were called “river horses,” although “river cows” might have been a better description. These ferocious ...

Cocaine can erode the enamel of your teeth, cause receding gums, and other oral health problems. In many cases, treatment can significantly improve or even reverse oral health issues.