The researchers found that same-sex behavior was more common in primate groups with clear hierarchical structures and those ...

Same-sex sexual behaviour has been recorded in around 1,500 species, from insects and starfish to birds and mammals. Yet sex ...

Nonhuman primates like bonobos and chimpanzees might engage in same-sex sexual activities to strengthen bonds, particularly ...

Birds are some of nature’s most beautiful creatures — but a few of our feathered friends are truly bizarre — like these 25 ...

Finding a mate is hard in the animal kingdom! As these strangest animal mating rituals show, it sometimes gets even more ...

Though we know them to be dirty insects, cockroaches are actually incredible self-groomers. In fact, their grooming behavior ...

In Southern California, it's coyote breeding season. Here's what you need to know about it and what precautions you should be ...

Could Homo sapiens and an archaic and now-extinct species of early human have lived alongside each other on the Indonesian ...

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

Abstract: The inherent variability in human performance introduces stochastic perturbations into manufacturing environments, undermining the seamless coordination required for effective human-robot ...

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 ...

Lionesses are known to mate up to 40 times per day during their reproductive stage. Discover why lions mate so often here!