For decades, scientists believed that a vast stretch of Earth’s early history unfolded under stable and uneventful conditions ...

Earth's earliest atmosphere may have done more than surround the planet - it may have helped make life possible. A new study published in Proceedings of the National Academy of Sciences suggests that ...

Researchers recreated conditions from billions of years ago and found that Earth’s young atmosphere could make key molecules linked to life. These sulfur-rich compounds, including certain amino acids, ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that led to biology, or when the first primitive life forms appeared. But what ...