New research suggests complex life on Earth began 1.5 billion years earlier than previously thought. We review the top origin of life theories. For centuries, humanity has wondered about the ...

The origin of life on Earth stands as one of the great mysteries of science. Various answers have been proposed, all of which remain unverified. To find out if we are alone in the galaxy, we will need ...

In a groundbreaking experiment in the early 1950s, a scientist tried to re-create the conditions of early Earth in a test ...

We may be starting to get a grasp on what kick-started life on Earth – and it could help us search for it on other planets ...