Dickinsonia has now been confirmed as the planet’s oldest known animal, with Russian cliffside fossils containing preserved fat molecules.

This finding strongly suggests that smell plays a part in how the animals greet one another ... They might be saying: 'Come here,' 'move away,' or maybe even 'smell me,'" Eleuteri said.

Sprite and Pepsi are from a large litter surrendered by owner to animal services. They are only two and a half months old and are in need of a forever home. Their demeanor is calm, but they also like ...