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 ...

The mating process is one of the most important mechanisms for maintaining genetic variation in natural populations. The emergence of sexual reproduction turned out to be the most important ...

Female mosquitoes that transmit dengue virus and other diseases are actually in charge during sex, according to a study 1 that challenges the long-held view that they are passive participants.

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 ...

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.