Whales, dolphins and other marine mammals are highly social, but those social ties can also help diseases spread through ...

Sensitive hearing may have evolved in mammal ancestors far earlier than scientists once believed. By modeling how sound moved ...

At first glance, this mammal looks like a horse gone terribly wrong. But, in reality, Chalicotherium is far from a botched ...

But in Romania, the towering mammal has been locally extinct for centuries. That’s why scientists were blown away by a recent ...

A surprising new study has found that blocking reproduction in some mammals may increase their life expectancy by an average ...

A large international study reveals that mammals tend to live longer when reproduction is suppressed. On average, lifespan ...

For tens of millions of years, whales have been a part of the oceans. Because of this, it would be easy to believe that ...

Discover more about the egg-laying monotremes of Oceania and the ancient traits they still carry.

The improvements in animal care that have led to the aging population problem are laudable, but must now be accompanied by ...

It's not uncommon for scientists to uncover new fossils from the ages of dinosaurs, but every now and then, a discovery reveals much rarer information. Scientists unearthed the fossil of the small and ...

White-tailed deer were officially named the state mammal of Arkansas only a few decades ago. The reasons they were chosen are ...