prehistory

Powering a massive biosphere on Earth, photosynthesis is the light-mediated reaction that converts carbon dioxide and water to …

Scientists have developed a new method for detecting traces of primordial life in ancient rock formations using potassium. …

Archaeologists learn about the past by piecing together artifacts from material culture: The tools, artwork, and architecture left …

A scientific approach has been used to re-identify huge birds etched into the desert plains of southern Peru …

Humans settled in southwestern Amazonia and even experimented with agriculture much earlier than previously thought, according to an …

When the landmass that is now the Indian subcontinent slammed into Asia about 50 million years ago, the …

Archaeologists at the University of Cincinnati used the latest technology to find evidence suggesting ancient Maya people grew …

The largest study to date of ancient DNA from the Iberian Peninsula (modern-day Portugal and Spain) offers new …

Over the last 540 million years, the Earth has weathered three major ice ages — periods during which …

When UC Santa Barbara geology professor emeritus James Kennett and colleagues set out years ago to examine signs of …