Ancient eruptions may have triggered conditions for oxygen ‘whiffs’ in the atmosphere In a nutshell Massive volcanic events ...

Learn more about how complex life on Earth likely wouldn’t have been possible without volcanic activity.

The Archean Eon (4–2.5 million years ago) is the second of Earth’s four major geologic eons, a time when the planet was mostly covered by oceans extending far deeper than those found today.

Despite the stark differences between today’s world and that of the Archean, it is clear that at both times, climate has impacted — and been impacted by — life on Earth. This paper will take ...