Conjugation (or mating) of ciliates is a unique phenomenon among living beings. They have sex not for reproduction or pleasure — they seek to increase genetic variation. Scientists from St Petersburg ...

No need to buy this beetle a drink first. While many human men may struggle with the concept, male darkling beetles know the importance of foreplay — specifically, oral sex with his lady bug.

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 ...

Scientists from the Museum für Naturkunde Berlin, together with colleagues from the U.S. and Australia, have succeeded in demonstrating the complexity of species evolution and evolutionary processes ...