Half-metre-long predator was giant of the seas 500 million years ago

The Threat of Supervolcano Eruptions Lingers For Thousands of Years, New Data Show

Stone Tools Buried in Graves Is Evidence of Sexual Division of Labor in Europe 5,000 Years Ago

Study Shows Colombian Guerrillas Were Guardians of the Forest 'Deforestation has increased significantly in the last five years following the signing of the peace