A fossil in South Africa is evidence that therapsids, one of our ancestors, were laying eggs 252 million years ago. Julien BenoitVincent FernandezJennifer Botha You can’t make a mammal-ette without ...

The scientific wonderers at What If travel back to the age of mammals to see how our planet recovered after the death of the dinosaurs.

If you liked this story, share it with other people. The Argentine Society for the Study of Mammals reviews the national IUCN Red List of mammal species the goal of better understanding population ...

Researchers recently discovered that platypuses are the only known mammals with hollow melanosomes, a pigment-filled structure that gives hair, fur, skin, feathers and eyes their color. Mark Metcalfe ...

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Dobson was comparing the pigment-filled packets, called melanosomes, inside the hair of several mammal species when her Ph.D. supervisor, Liliana D’Alba, noticed the platypus oddity. Typically, ...

A group of healthy weaned elephant seal pups on the beach at Año Nuevo State Park. The variation in fur color is a normal process of molting each year. (Frans Lanting for the Beltran Lab / UC Santa ...

Explore mammals’ surprising origins, long before the age of dinosaurs. The surprising story of mammal evolution begins long before the age of dinosaurs. Witness how some of our prehistoric mammal ...

The surprising story of mammal evolution begins long before the age of dinosaurs. Witness how some of our prehistoric mammal relatives survived global catastrophes, defying extinction and evolving ...

Tiny mammals don’t get much attention next to elephants or whales, but their size gives them a surprising edge. These animals can squeeze into impossible places, survive on scraps, and avoid detection ...

Living in a Southern California beach community with our climate — the surf, sand and sun — shapes who we are. Like many Angelenos, I find comfort near the ocean; it has a soothing regenerative ...