Millions of people around the world will pause on Tuesday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet ...

Earth Day is celebrated across the country, and the globe, through the mobilization for environmental causes. While it may ...

Earth has never stood still. Over its 4.5 billion years of history, our planet has been reshaped by different cataclysms and climate shifts. The atmosphere went through several changes, oceans froze ...

The history of Earth is written on the great tablets of tectonic plates. The motions of plates shaped land masses, formed oceans, and created the varied climates and habitats that set the stage for ...

A new book called The Burning Earth: A History takes on a massive question: How did we get here? “Here” being this point in environmental history and decades deep into the climate crisis. Over the ...

When geologist John Wesley Powell explored the Grand Canyon in 1869, he noticed a glaring omission in the rocks. A layer of rock just 520 million years old sat directly on top of ancient rock dating ...