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.

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.

Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life into year-round intimacy.

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, ...

Patronela Tshuma exposed the disconnect between policy and lived reality in the field of Sexual and Reproductive Health and ...

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.

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

New research from the University of St Andrews published in Current Biology, has shown that the role of age in male humpback ...