Deep in the New Zealand forest, the booming thud of the kākāpō’s ancient mating ritual sounds more like a bass speaker than ...

Same-sex sexual behaviour has been recorded in around 1,500 species, from insects and starfish to birds and mammals. Yet sex ...

Dunn’s team analyzed the biological “budget” of these primates and found a direct negative correlation: males with large ...

Scientists built a robot to help explain how a tropical bat spots insects perched on leaves using echolocation, a highly ...