Mammal bones, especially skulls, are used for identification, and to work out the evolutionary history of each species. The ...

Read a National Geographic magazine article about the rise of mammals, and get information, facts, and more about the evolution of mammals.

In a predominantly green world, being green seems like it would have its perks, especially if you’re trying to avoid the a ...

These slow-moving, eucalyptus-eating marsupials native to Australia are beloved for their sweet demeanors and distinctly non-human adorableness. However, koalas do share one feature in common with ...

Armed with armor made of scales and long claws, this mesmerizing mammal roams parts of Asia and Africa. Let’s take a closer look at what makes this animal so intriguing. Here are 10 amazing facts ...

The origin of mammals is shrouded in mystery, but every fossil clue helps rewrite the story. A new discovery on a Mediterranean island is challenging what we know about when—and where—mammal ancestors ...

Named for its razor-like teeth, Novaculadon mirabilis came from a rodent-like order that outlived the dinosaur extinction before vanishing about 30 million years ago. By Sara Novak Around 145 million ...

How many teeth does a seahorse have? What is the tallest land mammal on the planet? What is the world’s deadliest spider? If you know the answers to those animal trivia questions, then go straight to ...

This article predates the current owners of Science Blog. It has not been reviewed under the current editorial process and is kept as part of the archive. A reconstruction of the oldest known ...

Illustration of early mammals and dinosaurs. Generated by ChatGPT. About 200 million years ago, furry little egg-laying creatures evolved the ability to feed their offspring with a secretion from some ...