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Dead seal pups on a Canadian island have been found with mysterious spiral-shaped injuries for years. The wounds were thought ...

A pair of mammals previously unknown to science have been discovered in a forest in Australia, according to a new study. The research, published in Nature's Scientific Reports, notes that a pair of ...

Modern mammals are known for their big brains. But new analyses of mammal skulls from creatures that lived shortly after the dinosaur mass extinction show that those brains weren’t always a foregone ...

Seventy-six million years ago, a group of small mammals huddled in a burrow in what’s now Montana. They were good diggers—most likely furry—and petite. “They could sit comfortably in the palm of your ...

Shapes of beaks and snouts come in an extraordinary range of forms, reflecting adaptations to different lifestyles and ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Despite a common narrative that male mammals tend to dwarf female ones, fewer than half of mammalian species display that pattern, a new study suggests. By Emily Anthes Female elephant seals are not ...

Why did our ancestors ditch the shell and start growing babies inside their bodies instead? In this episode of Big Ideas, from the team behind Deep Look, Niba zooms out to explore one of evolution’s ...

From reptile-like ancestors to humans, the new book The Rise and Reign of the Mammals tackles the diversity of mammals like us. The following is an excerpt from The Rise and Reign of Mammals: A New ...

Researchers are fiercely debating whether claims about the origins of mammals result from a bias toward Northern Hemisphere fossil sites. Share full article The jawbone of Ambondro mahabo, a species ...