Researchers say that the Earth's oxygen levels will drop exponentially in the future, ending life as we know it.

The Great Oxidation Event took place 2.4 billion years ago when certain bacteria started releasing a large quantity of oxygen into the Earth.

Fold, Threatening Life on Our Planet Oxygen is paramount for the survival of many beings on Earth. Therefore, when a team of ...

The appearance of free oxygen in the Earth’s atmosphere led to the Great Oxidation Event. This was triggered by cyanobacteria producing the oxygen which developed into multicellular forms as ...

At issue is what caused the "great oxidation event," a steep increase ... "That was one of our motivations," said Dasgupta, professor of Earth science. "If subduction zones in the past were ...

Several key moments in Earth's history help us humans answer the question "How did we get here?" These moments also shed ...

SAN FRANCISCO — Maybe the trigger for the rise of oxygen on Earth was nothing special. Maybe that oxidation didn’t need large tectonic shifts or the evolution of land plants. Instead ...

That all changed with the advent of the Great Oxidation Event ... BIFs act as a record of Earth’s early ocean and atmospheric chemical composition, and scientists have explored their chemistry ...

Oxygen levels in rocks suddenly rise starting 2.5 billion years ago — a spike called the "Great Oxidation Event ... Becky Oskin covers Earth science, climate change and space, as well as ...

This led to the questions of whether these competing microbes could actually coexist, and if so, which of them were primarily responsible for iron oxidation. “In order to better understand the ...

Cyanobacteria’s rise ultimately helped kick off a period roughly 2.4 billion years ago known as the Great Oxidation Event. During this time, oxygen accumulated in Earth’s atmosphere ...