Sex is costly. It can be time consuming, energetically demanding, and resource depleting. So, it makes sense to choose your mates wisely.
If you're looking to impress the ladies this mating season, you need look no further than the cosmetics counter, at least if you're a snub-nosed monkey.
Worried about the low sex drive of giant pandas in zoos, scientists have tried many things to get them in the mood—not least Viagra and "panda porn".
A monkey-eating eagle has been hatched in captivity in the Philippines, boosting the critically-endangered giant bird's fight against extinction.
Ant queens stay close to home in their hunt for a mate and as a result produce thousands of inbred offspring, a study led by a University of Exeter biologist has found.
Many species form long-term partnerships in life. When we see such pair bonds, our first assumption tends to be that the two individuals are a male and female, and the partnership is based on mating.
New UTS research confirms that, when it comes to rabbitfish couples, appearances can be deceptive, raising fundamental questions about pairing, reproduction and social systems.
A team of international scientists has tracked the love lives of koalas, uncovering some curious behaviours and finding that male koalas make their distinct bellows to avoid confrontation with competitors.
Following in the footsteps of Leonardo Da Vinci's 1493 anatomical sketch of a man and woman, "The Copulation," Cornell researchers used cutting-edge X-ray technology to noninvasively image fruit flies during and after mating.