Humans are less monogamous than some mice but rank higher than one breed of sheep, says a new study.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The living mammal family tree is full of diverse species–big blue ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Paleontologists have discovered three new early mammal species that ...

Sticking with a long-term life partner to rear children has long been considered a dominant mating pattern for our species, ...

For more than a century, paleontologists have treated dinosaurs and mammals as rival success stories that simply took turns ...

New University of Maryland research suggests that dinosaur parenting strategies helped transform the Mesozoic world, as “latchkey kid dinosaurs” spread into ecological niches their parents left ...

Researchers reveal new insights into the complex evolutionary history behind the distinctive upright posture of modern placental and marsupial mammals, showing the transition was surprisingly complex ...

New research has dramatically expanded the known roster of mammals on Earth. A new review published in the Journal of Mammalogy shows that the number of living mammal species has surged to nearly ...

A new book dives into the evolutionary history of mammals. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Shortly after dinosaurs got their ...

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 ...

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 ...

A lack of female animal models in research has led to a clear failure to scientifically study sex differences. In 2017, Susanne Wolf, a neuroscientist from the Max Delbruck Center (MDC) in Germany, ...