Introduction / F.M. Gradstein -- Chronostratigraphy : linking time and rock / F.M. Gradstein, J.G. Ogg and A.G. Smith -- Biostratigraphy : time scales from graphic ...

Earth's 4.5 billion year geological history is full of death and rebirth, mass extinctions and explosions of biodiversity, with different periods often marked by cataclysmic changes that radically ...

Are we really living in the Anthropocene, the geological time marked by the global impact of human activity? And if so, when did it begin? These are questions that the Anthropocene Working Group is ...

A new ocean could soon be forming beneath us. Earth’s surface is a dynamic and ever-changing mosaic of tectonic plates, ...

Since “Anthropocene” was coined in 2000, it has increasingly defined our times as an age of human-caused planetary transformation. On March 4, 2024, the commission responsible for recognizing time ...

Scientists are one step closer to defining a new chapter in geology, one in which humans have become the dominant driver of Earth’s climate and environment. Out of 12 locations around the world, ...

Every other Friday, the Outside/In team answers a listener question about the natural world. This week’s question comes from Emily in Washington, DC. Crawford Lake in Milton, Ontario. The answer to ...