New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier ...

Deep-sea sediment layers show rare microbial wrinkle structures that formed in environments far beyond the reach of sunlight. Dr. Rowan Martindale, a paleoecologist and geobiologist at the University ...

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.

The origin of the first living molecules on our planet has long been debated. However, recent experiments are revealing new ...

New research suggests that amino acids, the fundamental components of life, may have arrived on Earth carried by interstellar ...

The question of when life began on Earth is as old as human culture. “It’s one of these fundamental human questions: When did life appear on Earth?” said Professor Martin Whitehouse of the Swedish ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: All life on Earth can be traced back to a Last ...

Introduction : The coherence of history / Stephen Jay Gould -- The planetary setting of prebiotic evolution / Sherwood Chang -- Early environments : constraints and opportunities for early evolution / ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...