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 ...

Malabar giant squirrels are not only the largest squirrels in the world, but a keystone species in their forest ecosystem.

During the breeding season, white-tailed deer might use their eyes and noses to navigate signs—forehead secretions on trees ...

Scientists discovered that a subtle behavior by the female of the species dictates whether the quick-fire procreation process ...

This 30-million-year-long gap is actually rather helpful to Darwin. It means that there was plenty of time for the ancestor ...

Birds are a barometer of the health of water sources, habitats, and air quality. A notable example is the use of canaries in ...

The white-handed gibbon comes closest to humans in the study, with a monogamy rate of 63.5%. It’s the only other top-ranked ...

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

State and federal officials are gearing up to stop the advance of a parasitic fly that is less than 70 miles from the United ...

Did you know that some of the world's biggest cats don't actually exist in the wild? These incredible animals are known as ...

Three species of the melodic African warbler bird refuse to get up early and sing their customary daybreak songs when the ...

These three bird courtship displays are so bold, precise and theatrical that they make human romance look a little ...