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 ...

The United States has a habit of showcasing its geology. Long before cities and highways showed up, forces beneath the ...

Geological time, generally considered as a system of eras, periods and epochs materialized in rock strata, might actually follow a simple and unifying model. Indeed, a new study led by physicist Shaun ...

A panel of experts voted down a proposal to officially declare the start of a new interval of geologic time, one defined by humanity’s changes to the planet. By Raymond Zhong The Triassic was the dawn ...