New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier than believed.
On a high plateau in northwestern Argentina, a cluster of turquoise lagoons has quietly rewritten what scientists thought they knew about the earliest stirrings of life. Hidden in one of the driest ...
Our planet is unique for its ability to sustain abundant life. From studies of the rock record, scientists believe life had already emerged on Earth at least 3.5 billion years ago and probably much ...
By resurrecting a 3.2-billion-year-old enzyme and studying it inside living microbes, researchers at the University of ...
Nitrogen, upon which all life on Earth depends, may hold the key for explaining how early life on the planet evolved and how it could evolve on other planets.
What Scientists Found in 1.4 Billion-Year-Old Air Is Reshaping Our Understanding of Early Earth ...
Add Yahoo as a preferred source to see more of our stories on Google. All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A study suggests that this organism likely ...