Filmmaker Bertie Gregory's new documentary special captures the extreme challenges facing the world's fastest land animal.

A new study finds how monogamous humans are in the mammal family. In a list ranking the monogamy of mammals, humans stood at ...

Males engage in a two-week-long sex marathon with as many females as they can find. Each frenzied encounter can last up to 14 ...

Understanding the evolution of insect mating behavior is essential for explaining how early insects adapted to life on land.

Avatar: Fire and Ash is finally here, and now that another batch of new characters has been introduced, here are the seven ...

Seals give birth only when conditions are right. After mating, a female seal can delay implantation of the embryo in the ...

Body weight might not be a strong indicator of reproductive physiology during sex. A study of couples found that male and ...

A tourist in Colorado got a quick reminder about the dangers of getting too close to wildlife in a video posted to Instagram.

Sticking with a long-term life partner to rear children has long been considered a dominant mating pattern for our species, ...

During the summer months, the voles are largely solitary. However, throughout the long, harsh winters, they form small ...

“Almost all other monogamous mammals either live in tight family units of just a breeding pair and their offspring, or in groups where only one female breeds,” he explained. “Whereas humans live in ...

In November 2020, Gina Berce Lipor was scrolling Twitter when she happened upon a photo of three North Atlantic right whales. They were swimming at the surface of Canada’s Bay of Fundy and were, the ...