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 ...

Life on Earth may have started with a molecule that still runs our cells today. As researchers probe ribonucleic acid in the ...

Add Yahoo as a preferred source to see more of our stories on Google. The OSIRIS-REx spacecraft spent two years observing the asteroid Bennu before it collected a ...

When the first spark of life emerged on a young, ocean-covered Earth some four billion years ago, it didn’t happen at once. The process was slow and drawn out over eons, with lifeless chemicals slowly ...

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 ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. We’ve pieced together a remarkably detailed timeline of ...

the Earth you walk on today might not be the same planet that was born 4.5 billion years ago. Many scientists believe that in its infancy, Earth collided with another world the size of Mars, and that ...

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.

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 ...

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 if ...

Seán Jordan does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...