The history of Earth is written on the great tablets of tectonic plates. The motions of plates shaped land masses, formed ...

Scientists have uncovered the oldest direct evidence yet that Earth’s tectonic plates were on the move 3.5 billion years ago. By analyzing magnetic fingerprints in ancient rocks, they reconstructed ...

Scientists have found the oldest direct evidence for tectonic motion on Earth by more than half a billion years ...

In Earth’s early days, more than 4 billion years ago, the surface was a dangerous and unpredictable place. Violent volcanoes, crashing meteorites, and constant tectonic activity repeatedly resurfaced ...

Scientists have long sought to explain a key mismatch in Earth's early history: oxygen-producing photosynthesis evolved ...

Earth should have lost its water long before life ever had a chance to appear. Bathed in a young Sun’s fierce radiation and wrapped in a global magma ocean, the planet’s surface looked more like a ...