Researchers have made a new discovery that changes our understanding of Earth's early geological history, challenging beliefs about how our continents formed and when plate tectonics began. A study ...

For decades, scientists believed that a vast stretch of Earth’s early history unfolded under stable and uneventful conditions. That assumption is now being challenged by an extraordinary discovery ...

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 ...

Earth’s earliest crust may have looked a lot more like the continents we know today than scientists once believed. A recent study shakes up old ideas about how Earth's surface evolved, showing that ...

Smithsonian researcher Wriju Chowdhury is part of an expedition searching for 4-billion-year-old crystals that could uncover the secrets behind Earth’s early history Emma Saaty A remote geologic ...

Explore 25 Major Events in Earth's 4.5 Billion Year History. Discover pivotal moments from its formation to the rise of life.

Modern continental rocks carry chemical signatures from the very start of our planet's history, challenging current theories about plate tectonics. Researchers have made a new discovery that changes ...