Evolutionary theories of human sexuality have tended to describe people as generally preferring either short or long-term mating strategies. Hence, the idea that human sexuality falls on a continuum ...

Male phenotypes in the ruff. (Left) Independent ruff males interacting at a lek. (Right) A Satellite ruff male with pale ornamental feathers at a lek. Photos courtesy of Tom Schandy. Ruff males have ...

Alternative mating strategies of the Japanese scorpionfly have been studied sparingly over the years, primarily focusing on individual populations. Now, scientists compare the mating habits of male ...

Divers discovered the mating strategy of Antarctica’s giant sea spiders, unlocking a 140-year-old mystery, according to new research. Photo from Henrique Setim, UnSplash Living in the frigid waters ...

A new study published in Evolutionary Psychological Science identifies five distinct strategies that women employ to detect ...

This video dives into the world of animals with the most unusual and astonishing breeding habits on Earth. Scientists reveal how each species evolved rituals and reproductive strategies unlike ...

Male bonobos have an impressive ability to detect when females are most fertile, even though the usual visual cues are ...

Researchers have discovered a bizarre mating strategy in bats with penises so "disproportionately long" that they cannot be used for penetrative sex. The behavior was observed in common serotine bats ...

(PhysOrg.com) -- Fairy-wrens are notorious for their infidelity: despite living in seemingly harmonious monogamous pairs, females produce mostly illegitimate young, and males spend more time courting ...

Living in the frigid waters off the coast of Antarctica, the giant sea spider has hatched its young in secrecy for over 140 years. But recently, researchers dove down to the sea floor off the remote ...