Two giant pandas at Ueno Zoo have been given some private time in a bid to create a romantic environment.
The sex lives of dinosaurs are starting to come to light, and it looks like at least one species loved the look of football-shaped heads.
A Brazilian frog will do almost anything to grab the attention of females, including singing, toe tapping, arm waving and squealing.
Female preference drives the development of ostentatious traits in males.
Songbirds could be tap dancing in your yard now, but their moves can only be revealed by high-speed cameras.
Meet Superduck, a new dinosaur with a flashy head crest.
What qualifies as cheating seems to vary between humans and animals.
A species of remarkably faithful penguins may have found the secret to monogamy -- plenty of time spent very far apart.
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