Between 280 and 200 million years ago, a group of animals evolved which would eventually give rise to mammals, including humans: the therapsids. They were first described more than 150 years ago, ...

“My preparator and exceptional fossil finder, John Nyaphuli, identified a small nodule that at first revealed only tiny ...

A major focus of the research was a protein called HIF1A (hypoxia-inducible factor 1 alpha), which plays an important role in ...

This semi-aquatic mammal may look improbable, but its biology reveals how evolution shapes even the strangest mammal bodies.

Some animals can regrow lost body parts. Salamanders and frog tadpoles can rebuild entire limbs after amputation. Mammals ...

Scientists discover the first fossil egg of a mammal ancestor, offering new clues to how Lystrosaurus survived extreme ...

Learn how testing different environmental conditions may unlock mammals’ potential to regrow limbs and what it means for ...

The project aims to gather more data on species that are difficult to monitor.

While some other creatures, most notably salamanders and starfish, can regenerate entire limbs, mammals don’t have this ...

Why do so few mammals go through menopause? Menopause happens when the older females of a species remain physically capable ...

A team led by an Ohio State University professor analyzed over 4,000 mammal species to identify which animals are likely to have a hidden species. Some yet-to-be-discovered species are likely small ...

No, birds are not mammals. Rather, they are avians. Mammals are characterized by their milk glands, hair, vertebrae and their birthing of live young (being viviparous), according to Britannica.