Learn more about the top theories about how life began on Earth, and how it may not have started from scratch.

Scientists think they’ve found a way to investigate the creation of cell membranes and DNA genomes that gave rise to the last ...

"By following universal paralogs," says Kaçar, "we can connect the earliest steps of life on Earth to the tools of modern ...

Life’s story may stretch further back than scientists once thought. Some genes found in nearly every organism today were already duplicated before all life shared a common ancestor. By tracking these ...

Here’s what you will learn when you read this story: Abiogenesis—the emergence of life from nonliving organics—is the leading theory regarding how life spawned on Earth, but it is being questioned.

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 ...

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

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The scientific community is largely divided into two camps ...