Yet another tantalizing clue. The post NASA Running Out of Non-Life Explanations for What Its Rover Found on Mars appeared ...

New scientific theory based on ancient proteins suggests that genes did not arise as we believed and that life could have started elsewhere.

A recent discovery on Mars has revealed something truly fascinating: massive water-carved caves that might just be hiding evidence of ancient life. These caves, which formed when slightly acidic water ...

Mars is starting to look less like a dead world and more like a planet that once had the right pockets for life to take hold. The latest focus is on enormous caverns apparently carved by flowing water ...

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 ...

Ancient duplicated genes are giving scientists their first real clues about what life was like before all life on Earth ...