Where did life come from? Following the theory of abiogenesis, scientists propose life may have begun from nonliving matter. But how this process actually occurred is subject to much scientific debate ...

Ultimately, biological complexity is one of the most important things to come out of evolution. Things started simple. Then genes mutated, cells interacted with their environment, mitochondria stopped ...

Scientists suspect that the complex life that slithers and crawls through every nook and cranny on Earth emerged from a random shuffling of non-living matter that ultimately spit out the building ...