Modern mammals are known for their big brains. But new analyses of mammal skulls from creatures that ... ecology — and competition between species — gave a big push to brain evolution, wrote ...

A fossil of a newly identified animal found east of Colorado ... because I could see that it was both the skull as well as both lower jaws. From a small mammal, that's really, really rare." ...

Australian rock-wallabies are ‘little Napoleons’ when it comes to compensating for small size ... scanned the skulls of nearly 400 rock-wallaby skulls, including all 17 species to compare ...

The olinguito, a small mammal native to South ... and general anatomy of the associated skulls further hinted that the samples might represent a new species. Helgen continued his project with ...

An artist's impression of the shrew-like Krusatodon kirtlingtonensis, which a new study suggests lived long and matured slowly, in contrast to modern small mammals. Maija Karala Roughly 166 ...

Our planet sustains an astonishing diversity of plant and animal species, though this diversity didn't develop at a stable, steady rate. According to a recent research study in Science, distinctive ...

They discovered the skull and jaws of the creature, named Militocodon lydae, in Colorado. The ancient species is related ... so it was a small mammal. Scientists believe that it likely had an ...