“A 62-million-year-old skeleton of this quality and completeness offers novel insights into mixodectids, including a much clearer picture of their evolutionary relationships,” study co-author and Yale ...

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

Research led by a team of scientists from the Texas A&M School of Veterinary Medicine and Biomedical Sciences puts to bed the heated scientific debate regarding the history of mammal diversification ...

Humankind’s common ancestor with other mammals may have been a roughly ratsize animal that weighed no more than a half a pound, had a long furry tail and lived on insects. In a six-year study of the ...

This photograph shows two species from the study by Toussaint et al. – a raccoon (Procyon lotor) and mongoose lemur (Eulemur mongoz) – climbing on vertical supports. Researchers have shed new light on ...

For some mammals, the evolutionary path to gigantism after the dinosaurs’ demise wasn’t always a straight road. Species of extinct, hefty, rhinoceros-like creatures called brontotheres evolved into ...

A monkey descending a tree trunk often keeps its head up, moving almost like a cautious climber backing down a ladder. Squirrels and many other mammals, by contrast, tend to go headfirst. That ...

The Zoonomia Consortium has released genome data on 240 species of mammals. The new data sheds light on mammal evolution, genes related to human diseases, and exceptional mammal characteristics such ...

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 ...

A new look at a fossil mammal with powerful front legs for digging is clearing up questions about the origin of a group of strange and scaly modern-day creatures called pangolins. First excavated in ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Two brand-new species of early mammals from the Jurassic period have been discovered, revealing the secrets of how we got ...