Exploring the transformation of Earth from a volcanic hellscape to a potential birthplace of life during the Hadean era. Insights from a University of California study suggest that early Earth had ...

The Hadean eon represents the time from which Earth first formed. The subsequent Archean eon (approximately 3,500 million years ago) is known as the age of bacteria and archaea. The Proterozoic ...

Though there is no single agreed-upon date, the Archean looks promising as a time ... back before 4 billion years ago, into the Hadean eon. The only direct evidence of the first 500 million ...

The Hadean eon represents the time before a reliable (fossil) record of life; it began with the formation of the planet and ended 4.0 billion years ago. The following Archean and Proterozoic eons ...

This trilogy consists of 3 x 30 HD episodes that cover the history of our planet and the most ancient life on it during the Hadean, Archean and Proterozoic eons (from 4.6 billion years ago until ...

This comparison provides a better understanding of the early evolution of Earth from its formation through the Hadean eon, which has no preserved geologic ... The oldest and most primitive mafic rocks ...