Reston, VA – The U.S. Geological Survey (USGS) and the Association of American State Geologists (AASG) announced that they have developed an updated geologic time scale and color scheme for use in ...

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

The asteroid that struck the Earth 66 million years ago devastated life across the planet, wiping out the dinosaurs and other organisms in a hail of fire and catastrophic climate change. But new ...

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 ...

A new study has been published by researchers at NYU that investigates geological activity on Earth over massive timescales. Researchers analyzed 260 million years of major geological events and found ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. The guardians of the world’s official geological timescale have firmly rejected a ...

We know Aotearoa New Zealand is home to many geographically and biologically special features. Yet few of us know it also has its very own measure of "deep time." Known as the New Zealand Geological ...