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.

Scientists found two orange animals mating in a forest of Rio de Janeiro and discovered a new species, a study said. Photo shows a representative area of Brazil. Photo from PROJETO CAFÉ GATO-MOURISCO ...

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 ...

All animals need sleep. When humans or animals don't get enough, it can lead to trouble paying attention, irritability, and other ill effects. And yet, researchers reporting in the journal Current ...

Photograph of three male zebra finches (Taeniopygia castanotis). In this study, more than 4,000 human participants from around the world were presented with pairs of animal sounds from 16 different ...