When a female praying mantis bites the head off her sexual partner, it is probably not out of anger.
We've heard the clichés: "It was love at first sight," "It's inner beauty that truly matters," and "Opposites attract." But what's really at work in selecting a romantic or sexual partner?
Male fruit flies like to have a variety of sexual partners, whereas females prefer to stick with the same mate – or move on to his brothers.
Love and commitment can make sex physically more satisfying for many women, according to a Penn State Abington sociologist.
In the animal world, males typically search for their female partners. The mystery is that in some species, you get a reversal -- the females search for males.
The sexual stereotype, in line with evolutionary theory, is that women want commitment and men want lots of flings. But a study of the Makushi people in Guyana shows the truth is more complex, with men more likely to seek ...
More than 900 million people worldwide are active users of the social networking site Facebook, and it is estimated that as many as one-third report using Facebook to check on the activities of former romantic partners. The ...
A study by neuroscientist Heather Rupp and her team found that a woman's partner status influenced her interest in the opposite sex.
(PhysOrg.com) -- Promiscuous males are so intent on pursuing sexual partners that they can neglect even essential tasks such as eating, says a new study published in the Journal of Evolutionary Biology.
A University of Portland study challenges the popular perception that there is a "new and pervasive hookup culture" among contemporary college students.