As fewer people choose to pair up, let alone marry, it could be that our species’ mating patterns are moving closer to the natural order, says freelance journalist Elle Hunt ...

Birds provide one of the most common ways to encounter nature in cities, but few people wonder how their actions affect birds looking for love. A new study published in the journal Ecology and ...

Scientists once thought that female mate choice alone accounted for the eye-catching color patterns seen in some male fish. But for orangethroat darters, male-to-male competition is the real force ...

Genetic correlation estimates typically assume that mating is random. But in the real world, partners tend to pair up because of many shared interests and social structures. Many estimates of how ...