Wild monkeys in West Africa can climb vertical tree trunks using foot flexibility scientists did not realize they possessed.

Why do humans rely on XY chromosomes to determine sex, while birds use ZW—and many reptiles use neither, letting temperature ...

A new study from the University of Michigan suggests that organisms could get better at evolving over time. Researchers used a computer program to simulate organisms switching between beneficial and ...

A sweeping analysis of thousands of animal genomes suggests that chromosomes do not evolve randomly but instead follow a limited number of irreversible “evolutionary highways.” These one-way genetic ...

A classic question in biology is whether evolution is entirely random or, can it follow predictable patterns. This question was popularized by the famous paleontologist and science communicator ...

PBS science strand “Nova” is set to explore the “epic journey of life” in a new series about evolution. “Nova: Evolution” is a five-part series from the GBH documentary unit together with the BBC and ...