Here’s what you’ll learn when you read this story: The famous analogy goes that if all of Earth’s geologic history was compressed into a single calendar year, modern humans wouldn’t make an appearance ...

The story of primates is a tale of incredible variety and ancient roots, told through the lens of science, DNA, and time itself. These creatures, ranging from massive gorillas to tiny mouse lemurs, ...

A digital reconstruction of a million-year-old skull suggests humans may have diverged from our ancient ancestors 400,000 years earlier than thought and in Asia not Africa, a study said Friday. The ...

An ancient skull unearthed in China’s Hubei Province may push back the emergence of the human species by 400,000 years Peerapon Boonyakiat/SOPA Images/LightRocket via Getty A human skull found in 1990 ...

Scientists have helped to construct a detailed timeline for bacterial evolution, suggesting some bacteria used oxygen long before evolving the ability to produce it through photosynthesis. University ...

HUBEI, China — A badly crushed cranium unearthed decades ago from a riverbank in central China that once defied classification is now shaking up the human family tree, according to a new analysis.

Here’s what you’ll learn when you read this story: The molecular clock theory posits that genetic changes happen steadily and gradually, offering a reliable means for peering into the past and ...