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

Researchers map the peptide behind semaglutide across 25 brain regions in each sex, finding striking differences in ...

There are two main hypotheses about why humans (and other animals) kiss: either it’s a learned behaviour, or it’s instinct.

Bonobos remain the "make love, not war" primates of the animal kingdom, but new studies prove they still have an edge.

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

Here are 10 animals that have some of the highest levels of testosterone and the impact it has on their behavior and characteristics.

Using computer tomography, insect researchers at the State Museum of Natural History in Stuttgart have analysed the mating ritual of mayflies in detail.

TOKYO -- Japan's sex education has long been considered lagging behind other nations. Few elementary and junior high schools ...

These groups often use social media platforms and online games that include private messaging features to contact and groom ...

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.

The drugs have names that sound like small planets: semaglutide, liraglutide, lixisenatide. Collectively, they belong to a class of glucagon-like peptide 1 (GLP-1) analogs that has reshaped the ...

The 28-year-old teacher tells PEOPLE her students "absolutely loved" bringing in their stuffed animals too class ...