Roman Uchytel is a Ukrainian paleontologist and graphic designer who recreates prehistoric fauna, providing an interesting scale comparison of our ancestors' features.

A biotech company says CRISPR could revive extinct animals like the dodo and mammoth — but many scientists remain skeptical.

Evolution has resulted in the development of both herbivores and carnivores -- but how? What type of food did extinct vertebrates eat? And how can we gain insight into the diets of these creatures? In ...