Recent discoveries have shown that brightly colored crests and eye-catching patterns adorned many dinosaurs. Meanwhile, our earliest mammalian ancestors survived these flamboyant predators by being as ...

A mastodon bone will be on display at the Museum of Fulton County, nearly half a century after its original discovery.

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Paleontologists have discovered a new prehistoric mammal species in Colorado that lived during the age of the dinosaurs and may have been a swamp-dweller. In a study published in the journal PLOS ONE, ...

Paleontologists have revealed what may be the earliest known saber-toothed animal to have ever lived—a predator that roamed our planet before the age of the dinosaurs. In a study published in the ...

Explores the world of prehistoric mammals, comparing them to their modern descendants. Pop-up sections feature three-dimensional skeletons and some pull tabs.

1. The age of mammals -- 2. The origin and early evolution of mammals -- 3. Marsupials : pouched mammals -- 4. Placental mammals (Eutheria) -- 5. Xenarthra : sloths ...

According to most experts, the first mammal was Morganucodon, a small, shrew-like rodent that appeared during the Jurassic Period, approximately 200 million years ago. It weighed a few ounces and ...

More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research has revealed. More mammals were living on the ground several ...