Two different groups of macaques have been spotted in Japan mounting sika deer. The behavior could be part of a shared ...

Let’s take a look at 10 animals that stay with their mates for life. Rina Fukushi, the Japanese model who seduces the catwalks Man walked 250,000 steps in a week to see what it would do to his ...

Previous studies have found that males of other species also have a limited number of times they can mate. The mite Tetranychus urticae mates an average of 13 times a day, and the moth Ephestia ...

Darwin wasn't the only scientist who thought females couldn't be promiscuous. Angus John Bateman had very similar ideas. Bateman conducted a series of experiments on fruit flies that were very poorly ...

Two-thirds of animal and plant populations are declining in genetic diversity, which makes it harder to adapt to ...