A new study on mayflies of the genus Ecdyonurus illustrates just how multifaceted and surprising reproductive behavior in ...

We are used to seeing a strict order in nature, with apex predators at the top feeding on those lower down the pecking order.

Domestic pigs reproduce through a breeding process that is closely managed on farms around the world. During mating, a male pig, known as a boar, mounts the female, called a sow, in a behavior driven ...

Artificial light at night, or ALAN, is one of the most pervasive byproducts of coastal urbanization. Streetlights, ...

Researchers found a rare, strictly binary brain feature in mice that is permanently active in females but completely dormant ...

Scientists are finally decoding the orgasm face. Explore how human evolution, primate behavior, and mate selection shape our expressions of climax.

Reproductive health centers worry the proposal to restrict protests would violate New Yorkers’ First Amendment rights.

Have you ever heard two or more women say they’re on the same cycle? This is a common claim among women who live together, for example in a family or as housemates. This idea that people menstruate, ...

Project Hail Mary by Andy Weir is one of today's best science fiction books. While much of the science and math is great, it falls a bit when it comes to evolution.

But overall cancer incidence similar to the general population, Australian study shows ...

Scientists found that Australian sea lion pups may learn how to hunt by watching their mothers during ocean foraging trips.

The natural and the social world shaped the evolution of each. Knowing whom to invite to dinner is as important as knowing ...