There are about 170 modern ruminant hoofed mammal species with headgear, and many more in the fossil record. The headgear we ...

A recent study by Harvard reveals that the evolutionary transition to an upright posture in mammals was complex and occurred ...

Indeed, all modern animals are products of different evolutionary ... But does this imply that the groups' last common ancestor also used these venoms? No, it does not, and here's why: It turns ...

Mammalian hairs, avian feathers, and reptilian scales are homologous structures inherited, with modification, from their shared reptilian ancestor's scales. This material relates to a paper that ...

this indicated that the traits associated with upright posture in today's mammals evolved much later than previously thought, most likely close to the common ancestor of therians. These findings ...