Animal Sex: News and Features
Latest about animal sex

Animal Sex: How Sloths Do It
By Joseph Castro published
Rather than mundane, lazy sex, sloths participate in quite the mating game. In fact, sloth sex involves high-pitched screams, promiscuity and eye-gouging battles.

Big Butts Can Lie: Bootylicious Baboons May Not Be Most Fertile
By Stephanie Pappas published
The swollen red bottom of a female balloon may not be the signal of sexual fitness that researchers thought it was.

Sex in the Wild: 6 Ways Animals Do It
By Laura Geggel published
Valentine's Day may inspire people to buy chocolates for their loved ones or treat their sweetheart to a romantic, candlelit dinner, but animals have entirely different courtship behaviors.

Animal Sex: How Octopuses Do It
By Joseph Castro published
Octopus mating involves shifting body colors, detachable "penises," long-distance mating and sexual cannibalism.

Animal Sex: How Anglerfish Do It
By Joseph Castro published
Anglerfish mating involves biting, tissue fusion and the complete lack of mate choice by females.

Animal Sex: How Dung Beetles Do It
By Joseph Castro published
Dung beetle sex involves short breeding periods, intense competition and, of course, poo.
Sign up for the Live Science daily newsletter now
Get the world’s most fascinating discoveries delivered straight to your inbox.