Males engage in a two-week-long sex marathon with as many females as they can find. Each frenzied encounter can last up to 14 ...

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 ...

The mating game in the animal kingdom is nothing less than fascinating and somewhat weird. Some species pierce, clone, chew, or even fake their way through the mating process. To make survival ...

Ever heard of a liger? Or how about a zonkey? If you're unfamiliar, crossbreeding is the strengthening of the species genes of one animal by breeding with a stronger mate of another animal. Sometimes ...

All animals need sleep. When humans or animals don't get enough, it can lead to trouble paying attention, irritability, and other ill effects. And yet, researchers reporting in the journal Current ...

An unforgettable story in Popular Science last week about the bizarre mechanisms of fruit fly mating (fruit flies have “spiky hairs” on their legs that they use “to clasp onto the female”??), sent ...

(CNN) — Male blue-lined octopuses inject a powerful neurotoxin into the hearts of females before mating to avoid being eaten, according to a new study. The males have evolved to use a venom called ...