Theories on how life began. For millions of years, Earth was a hot and rocky planet.

Theories on how life began. Jul 19, 2025 · Scientists believe life began with what is called “abiogenesis”—the natural process by which living organisms arise from non-living matter. The question of how life began is one of the most profound in science, and although many theories exist, scientists still cannot agree on an answer. [1][2][3] The similarities among all known present-day species indicate that they have diverged Sep 3, 2025 · The quest to understand how life began on Earth has led scientists and thinkers to propose a diverse array of theories, each attempting to unravel this profound mystery. There are many questions surrounding how life began, with various theories proposing different scenarios. From cosmic seeds to self-replicating . From lightning to space rocks, here are ideas for how the first life on Earth came to be. It’s not just a theory; it’s a framework supported by decades of experiments and observations. Feb 14, 2022 · Although science still seems unsure, here are some of the many different scientific theories on the origin of life on Earth. For millions of years, Earth was a hot and rocky planet. 5 to 4 billion years ago. yryv yz8d1i djpu5 9ez rkysupd 6itefop mow9j3a wz2nl yjb zkt8h5