Our world is the way it is because of the time when the synapsids struck back. Synapsids were the world’s first-ever terrestrial megafauna but the vast majority of these giants were doomed to ...

From the formation of inner ear bones to the rise of hair to cover our bodies, these developments made us distinct from other animals Riley Black | Science Correspondent By examining the fossils of ...

New study reveals that nocturnality has older origin than previously thought. Synapsids, living about 300 million years ago, were probably active at night. Most living mammals are active at night (or ...

The backbone is the Swiss Army Knife of mammal locomotion. It can function in all sorts of ways that allows living mammals to have remarkable diversity in their movements. They can run, swim, climb ...

Life in the Age of the Dinosaurs may explain why most mammals are born live and tiny rather than hatched from an egg. None of us hatched. All of us were born live, and we might seem to think of this ...

When most people think of ferocious, blade-like teeth on prehistoric creatures they picture Smilodon, better known as the saber-toothed tiger. But in the world of dinosaurs, theropods are well known ...

Most living mammals are active at night (or nocturnal), and many other mammal species are active during twilight conditions. It has long been thought that the transition to nocturnality occurred at ...