In mammals, there is good support for the latter two models, but less for the first possibility. Although non-neutral evolution at synonymous sites means that the genomic mutation rate has been ...

"These extinct early mammals had distinct lifestyles, ranging from ground-dwelling and burrowing to gliding through the treetops like modern-day flying squirrels," Li Ruoshuang, the paper's first ...

The Mammals Dark team travelled to Argentina to film one of the least mammal-like mammals in the world – the ‘large hairy armadillo’. Image by Tom Parry. Camera operator Max Smith sets up a ...

Mixodectes was quite large for a tree-dwelling mammal in North America during the early Paleocene — the geological epoch that followed the Cretaceous-Paleogene extinction event that killed off ...

We are researching the cause of megafaunal extinction in the last major extinction event. Hundreds of large mammal species disappeared during the transition from the last glaciation to the present ...