A recent groundbreaking study has radically altered our understanding of human evolution. Homo sapiens, traditionally thought ...

Eukaryogenesis occurred suddenly, driven by the growing length of genes and the limitations on producing longer proteins. An ...

Vine snakes refer to several genera of snakes in the family Colubridae. They include Oxybelis, a genus of New World vine ...

Chimpanzees combine hoots, calls and grunts to convey far more concepts than with single sounds alone. It may be a first among nonhuman animals.

In the earliest hours after fertilization, an embryo takes its first steps toward becoming a living organism by shedding ...