A graph I saw in high school appeared to show the Earth breathing. It was a graph that plotted carbon dioxide in the ...

Billions of years ago, our planet did not have the deep blue oceans we admire today. Instead, they were actually […] ...

Before the Great Oxidation Event (GOE) around 2.4 billion years ago—when cyanobacteria helped drastically change the amount of oxygen in our oceans and atmosphere—Earth had very little oxygen.

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

A new source of nitrogen has been discovered. Researchers from RPTU University Kaiserslautern-Landau in southwestern Germany ...

Cyanobacteria are probably the most numerous creatures to have ever existed on Earth. They’re good for making oxygen but otherwise bad news for most life forms. Through neglect of our water systems ...

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

CINCINNATI (WKRC) - Earth's atmosphere ... This was a time when cyanobacteria significantly increased oxygen levels in the oceans and atmosphere, according to BGR. Researchers said that as ...

Earth’s earliest forms of life, such as microbes, cyanobacteria, sponges and seafloor-dwelling organisms, populated the oceans. After the end of the Neoproterozoic came the rise of more complex ...