How Earth's Early Life Thrived amid Catastrophic Asteroid Impacts
A gigantic space rock that slammed into Earth more than three billion years ago grievously wounded the biosphere—and then helped it heal


Scientific American
Three Billion Years Ago, a Giant Impact Boiled Away Some of Earth’s Ocean. Then Life Bounced Back
A gigantic space rock that slammed into Earth more than three billion years ago grievously wounded the biosphere—and then helped it heal














