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 ...

During this period, Earth cooled enough to have a solid ... Some studies even suggest there may have been early continents during the Hadean. But the new study probably won't reconcile all of ...

Hadean Era (4,550-3,850 mya ... cells to evolve from the gases and water thought to be present on the early Earth. These include a concentrated supply of organic chemicals, the most important ...

But still, very little remains from Earth's early days, and what is left is eroded ... Go back before 4.03 billion years, to the Hadean eon, and the rock record has completely vanished.