Here’s what you’ll learn when you read this story: Single-celled microbes are believed to be Earth’s earliest life forms, but their soft bodies left almost no fossil evidence behind. Recent research ...

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 ...

Four billion years ago, Earth was violent, hot, and unstable. Yet new research suggests that by then, life had already reached a surprising level of complexity. At that time lived the last universal ...

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Meteor impacts may have helped spark life on Earth, creating hot, chemical-rich environments where the first living cells could take shape, according to research integrated by a recent Rutgers ...

Without the right oxygen balance, phosphorus and nitrogen vanish — and life can't take hold. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Life ...

Asteroid impacts may have helped kick-start life on Earth by creating hot, chemical-rich environments ideal for early biology. These impact-generated hydrothermal systems could have lasted thousands ...