A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.

For decades, the asteroid that ended the reign of the dinosaurs has stood as a symbol of total planetary devastation. But ...

An ancient skull unearthed in China’s Hubei Province may push back the emergence of the human species by 400,000 years Researchers believe a skull unearthed in 1990 suggests the emergence of the human ...

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.Related video above ...