The side-splotched lizard (*Uta stansburiana*) is a common reptile found in California, United States. In spring, the color ...

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 ...

In my view, one of the most important theories of sex and relationships is the Sexual Strategies Theory (SST). Developed by David Buss and David Schmitt in the 90’s, SST has a simple premise: Humans ...

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 ...

In the animal kingdom, mating isn’t always about survival. From praying mantises to octopuses, some species die during or ...

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 ...

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 ...

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 ...

The side-splotched lizard (*Uta stansburiana*) is a common reptile found in California, United States. During spring, the ...

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

Playing dead isn't the ultimate ghosting technique. Frogs use "tonic immobility" as a strategy to stay alive during mating ...