A new study shows that early humans shifted from hunting giants to smaller animals, shaping tools, survival, and intelligence ...

Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures that took over ...

A sweeping genetic study of over 150 species reveals that life’s move from water to land was not a single story, but a series ...

When the environment changes dramatically, animals from mollusks to crows can make big changes in their behavior that enable them to survive. For example, marmots and ground squirrels in California ...

A fossil bed in China containing animals up to 554 million years old suggests that we may have to reconsider the idea that ...

Embryonic germ layers are the fundamental organizing principle in animal development. They provide the structural basis from which tissues and organs arise. During early embryogenesis, cells divide to ...

Add Yahoo as a preferred source to see more of our stories on Google. This November 2023 photo provided by Gaorong Li shows a Haootia-like fossil at Yunnan University in Kunming, China. (Gaorong Li ...