Scientists found that the male’s hectocotylus, the specialized arm for mating, is lined with receptors that can sense ...

When the scientists paired two male octopuses in the same setup, the males interacted by touching arms, but they never ...

Whether they're offering gifts, courting for weeks or dying during sex, these are the romantic animal species doing courtship ...

A new study on mayflies of the genus Ecdyonurus illustrates just how multifaceted and surprising reproductive behavior in nature can be. Entomologists at the State Museum of Natural History Stuttgart ...

Sea otters are popular for holding hands while floating together and using rocks to crack shellfish. Adorable, right? But ...