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

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

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.

Researchers from the University of Tokyo provide a mechanism to explain precursor oxygenation events “whiffs,” which may have ...

When we discuss climate change today, we are mostly concerned with how such change will impact our environment and our lives. We look to the past to help understand climate cycles and how our ...