All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA—and it likely lived on Earth only 400 million years after its formation.

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

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 ...

Life on Earth might not be as Earthly as we think. A recent research published in The Conversation explores a revived and ...

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 ...

People have long wondered what life was first like on Earth, and if there is life in our solar system beyond our planet. Scientists have reason to believe that some of the moons in our solar system – ...

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 / ...

Researchers have discovered chemical traces of life in rocks older than 3.3 billion years, offering a rare look at Earth’s earliest biology. By combining advanced chemical methods with artificial ...

DNA from Icelandic lava flows reveals how microbes move into a brand-new habitat, offering insights into early life on Earth ...

For more than a century, fossils meant bones, shells and the occasional imprint of a leaf. Now, a wave of research is showing ...