In the animal kingdom, relationships are often driven by survival and the chance to pass on their DNA. However, some species ...

Scientists found that the male’s hectocotylus, the specialized arm for mating, is lined with receptors that can sense ...

When it comes to animals romancing in the wild, things get weird—really weird. Some animals offer bizarre gifts, some put on daring dances, and others? Well, let’s just say things get really messy.

For a small number of animals, reproduction marks a biological endpoint rather than a stage in an ongoing life cycle. Death follows mating with such consistency that it can be predicted within a ...

The bright colors of butterfly wings, the sweet aromas of flowers, and the euphonious melodies of songbirds all evolved as signals that help individuals propagate, yet humans also find these very same ...