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

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

About 700 million years ago, enormous glaciers flowed across the Earth's surface in powerful frozen rivers like "giant ice bulldozers" that pulverized our planet's crust and may have contributed to ...

In an investigation to find out what sparked life on Earth, researchers have discovered that RNA formed through surprisingly ...

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

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

New experiments suggest RNA, life’s essential molecule, could have formed naturally on early Earth and even arrived from ...

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

Between a rock and a green place: Michelle Gehringer studies fossilized life on early Earth to learn more about the evolution of (oxygenic) photosynthesis - the process that makes the oxygen we breath ...

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