Scientists Pinpoint a Possible “Sweet Spot” for Life’s Origins 4.33 Billion Years Ago
Earth’s violent early bombardment may have helped create the very environments needed for prebiotic chemistry. Credit: Shutterstock By simulating a billion years of Earth’s history, researchers have identified a possible window for life’s earliest chemistry around 4.33 billion years ago. During its first few hundred million years, Earth was a hostile target. Asteroids, comets, and … Read more