Ancient eruptions may have triggered conditions for oxygen ‘whiffs’ in the atmosphere In a nutshell Massive volcanic events known as Large Igneous Provinces (LIPs) likely released carbon dioxide, ...

Zare and his colleagues sprayed water vapor into a chamber filled with a mix of gases meant to mimic early Earth's atmosphere ...

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis.

New research sheds light on the earliest days of the earth's formation and potentially calls into question some earlier assumptions in planetary science about the early years of rocky planets.