Fossils in China reveal early life that predates animals and show that ancient ecosystems were more complex than previously ...

Scientists have unearthed peculiar million-year-old rock tunnels in Africa, which have left researchers puzzled and suggest the existence of an ancient lifeform that has never been identified before.

Millions of years before blue oceans and wandering continents, the Earth in its early days was a molten, tumultuous planet — a roiling mixture of rock and metal condensing within the nascent solar ...

From tiny zircons to deep mantle processes, scientists are piecing together a vivid picture of Earth’s earliest days. New research reveals how continents, minerals, and even the building blocks of ...