Once at risk of being wiped out, humpback whales charted a remarkable comeback thanks to their songs. In 1979, National ...

Nonhuman primates like bonobos and chimpanzees might engage in same-sex sexual activities to strengthen bonds, particularly ...

Evolutionarily speaking, the ultimate goal of a lifeform is to reproduce and stave off extinction. Many plants and animals ...

Over the past half century, researchers have established that birds evolved from dinosaurs: specifically, the theropods, the ...