Many scientists believe that this mass extinction paved the way for the rise of mammals. The skeleton in this study was collected in New Mexico’s San Juan Basin by study co-author and New Mexico ...

Fifteen million years ago, now-extinct species of dolphins ... then added those sums to the existing fossilized record of the ...

The now-extinct megalodon shark may have been larger than first believed, reaching lengths of 80 feet (24.3 meters), ...

Early mammals had dark inconspicuous fur and only came out at night until dinosaurs became extinct, scientists believe. A study of colouration of mammals that lived in the Mesozoic era – around ...

Colossal Biosciences has altered several genes in mice to make them look more mammoth-like, but the company is far from its goal of fully resurrecting woolly mammoths by 2028 ...