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

A heartwarming rediscovery has been made on the world’s largest tropical island. Attenborough’s long-beaked echidna ...

Whales, dolphins and seals live in tight-knit societies that rival primate groups in complexity, and those same bonds are ...

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

Ohio’s white-tailed deer might seem like an obvious state symbol, but that familiarity is exactly why it works. Few animals ...

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

From bold foxes to gregarious birds, animals’ personalities are increasingly being seen as crucial to conservation efforts.

Despite being mammals, these remarkably cancer-resistant animals share a lot in common with cold-blooded species.

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

A new species of shrew, Soriculus dexingensis, is discovered in Tibet, raising the number of known shrew species there to six ...

Whale ancestors were terrestrial mammals that walked on four legs. This bone structure that helped them walk eventually ...

Five new animal species that camouflage themselves as excrement or bark reveal some of what still remains hidden in the world ...