Humankind's common ancestor with other mammals may have been a roughly rat-size animal that weighed no more than a half a pound, had a long furry tail and lived on insects. In a comprehensive six-year ...

STATEN ISLAND, N.Y. -- We see squirrels just about every day, but most of our other wild mammals are nocturnal and less likely to be seen on a regular basis. Raccoons and opossums may occasionally be ...

These sorts of interactions very likely occurred between disparate human groups in our distant past. There’s strong evidence that separated groups of people, and even distinct species of humans, ...

We often assume that bigger is better, but nature constantly proves this wrong. The world’s smallest mammals are miniature ...

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 ...

Every mammal that is found on our planet is descended from one common ancestor, thought to have lived around 180 million years ago. Although there is a lot we do not yet know about this animal, ...

Common assumptions notwithstanding, rare species can play unique and essential ecological roles. After studying two, scientists have demonstrated that, though these species are found on all continents ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A team of paleontologists combing through Scotland’s fossil-rich ...

A new study reveals that common dolphins in the North Atlantic are living significantly shorter lives, with female longevity dropping by seven years since 1997. Common dolphins are among the most ...

Researchers have uncovered a new target in the quest to extend the lifespan of mammals. Inhibiting a common enzyme found in all mammals, including humans, has been shown to extend the lifespan of ...