Universe Today12/11/2025

Did Life Begin in Prebiotic Surface Gels?

Matthew Williams
How did life begin on Earth? Based on studies of fossilized bacteria, scientists theorize that life first emerged on Earth over 4 billion years ago as simple, single-celled organisms. Over time, these organisms evolved to incorporate photosynthesis and sexual reproduction, eventually giving rise to more complex multicellular organisms, plants, and, eventually, mammals. Despite this scientific consensus, the question of how inorganic chemicals came together to form organic molecules that...