A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to chimpanzees. By comparing full and half siblings across species and human cultures, ...

Scientists at the American Museum of Natural History investigated old specimens that had been at the museum for decades and ...

Getty Image While Australia is home to some of the most impressive wildlife, it is also home to a sad fact. Being in complete ...

Sleep is a universal biological state that allows all animals, from mammals to amphibians, fish and even insects, to restore ...

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

A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

Around 20% of species threatened with extinction, 11.5% near threatened, shows latest Mammal Red List by Endangered Wildlife ...

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 ...

Many mammal populations in European and North American zoos are aging—a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...

Of all the mammals in the world, humans by far have the strangest diets. As omnivores, we have the most variety of any other ...

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