View Full Profile. Learn about our Editorial Policies. This isn’t the first time mammals have retreated to the shadows. In the time of the dinosaurs, “all mammals were active entirely at night, ...
March 24 (Reuters) - Highly pathogenic avian influenza, commonly called bird flu, has increasingly spread to mammals and infected hundreds of people, raising concerns that it may lead to human-to ...
More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, ...
While many dinosaurs and pterosaurs flaunted flamboyant feathers, early mammals were a dull lot. A study of the fossilised fur of six mammals that lived during the Jurassic and Cretaceous periods ...