Ancient crystals reveal that Earth began recycling its crust and forming continents billions of years earlier than scientists once believed.

There are key moments in Earth's history that remain shrouded in mystery. The emergence of the first molecules capable of ...

Experiment may help explain the ‘most intriguing causal paradox in biology’ about how early life forms came together about 4 ...

Earth is so far the only known planet on which life exists—with liquid water and a stable atmosphere. However, the conditions were not conducive to life when it formed. The gas-dust cloud from which ...

Polyester microdroplets, possible precursors to life, were formed from alpha-hydroxy acids (αHAs) in early Earth-like conditions even at low reaction volume, low reactant concentrations, and/or high ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In the 1931 movie ...

Researchers have helped overturn the popular theory that water on Earth originated from asteroids bombarding its surface; Scientists have analyzed a meteorite analogous to the early Earth to ...