Learn how one-celled organisms, or single-celled organisms, helped build complex life.

Enzymes originally evolved in high-temperature environments and later adapted to lower temperatures as Earth cooled. Scientists discovered that a key shift in enzyme function occurred over ...

Discover interesting facts about how evolution works, the different patterns that can emerge from evolution, how quickly organisms can evolve, and whether evolution is a random or ordered process When ...

Dr. Luis Buatois (Ph.D.) traces a series of hexagons with his finger, following the path carved by tiny organisms millions of years ago that have long since left these unique fossils in their wake. It ...

Using genetic discoveries based on modern bioluminescent organisms, scientists have estimated coral bioluminescence to have originated in the Cambrian period, about 540 million years ago. This finding ...

Sleep helps even things out. It was Darwin's great insight that natural selection was the primary factor driving the evolution of organisms. His detailed research ultimately lead to the acceptance by ...