Articles for category: Prehistoric Environment

Eruptions triggered warming, acidification, and toxic oceans.

Volcanoes, Swamps, and Supercontinents: Dinosaurs’ Ever-Changing World

During the Mesozoic Era, spanning approximately 252 to 66 million years ago, dinosaurs ruled a planet that looked starkly different from our modern Earth. These magnificent creatures witnessed dramatic geological transformations that shaped their evolution and ultimately contributed to their extinction. From the breakup of the supercontinent Pangaea to massive volcanic eruptions and shifting environments, ...

The Hidden Prehistoric Landscapes of the U.S.

The Hidden Prehistoric Landscapes of the U.S.

You walk across a familiar beach, a salt flat, or a Midwestern farm field and assume you know what you’re looking at. But just below the surface, entire lost worlds are hiding in plain sight. Prehistoric shorelines, drowned river valleys, vanished lakes, and buried cities of earth and stone lie all around you in the ...

Rocky mountain landscape with misty clouds covering the peaks. Foreground has green patches and scattered rocks. Overcast sky creates a serene, dramatic atmosphere.

What the Rock Layers Tell Us About Earth’s Ancient Past

Earth’s history is written in stone—quite literally. The rock layers beneath our feet contain a remarkable record of our planet’s past, stretching back billions of years. Like pages in an ancient book, these stratified formations reveal dramatic tales of shifting continents, evolving life forms, catastrophic events, and climate changes that have shaped our world. Geologists ...