Great Oxygenation Event


Life before oxygen

Hazy shades of life on Earth

The transitiont of Earth's atmosphere to being oxygen-rich:

Rethinking early atmospheric oxygen

A stepping-stone for oxygen on Earth

A new constraint on the rise of oxygen   

New constraints on early oxygen levels

Ancient soils reveal clues to early life on Earth

New and old ideas about Earth's oxygen history

The ups and downs of early atmospheric oxygen

Earth's breathable atmosphere tied to plate tectonics?

Geological record shows air up there came from below

Oxygen's ups and downs in the early atmosphere and ocean

Oxygen oasis in Antarctica lake reflects Earth in the distant past

New answer as to why Earth's atmosphere became oxygenated

Researchers identify molecular 'culprit' in rise of planetary oxygen

Iron-silica particles unlock part of the mystery of Earth's oxygenation

Geoscientists find new fallout from the 'collision that changed the world'

Variations in atmospheric oxygen levels shaped Earth's climate through ages

Oxygen was present in the atmosphere much earlier than previously assumed

Earth's breathable atmosphere a result of continents taking control of the carbon cycle

Oxygen levels on early Earth rose and fell several times before the successful Great Oxygenation Event

The link between oxygen and the rise of life on Earth:

More oxygen through multicellularity

Antarctic microbes hold clue to Earth's oxygen

Geologists re-write Earth's evolutionary history book

Global warming disaster could suffocate life on planet Earth

Plankton key to origin of Earth's first breathable atmosphere

Complex animals led to more oxygen, says maverick theory

Oxygen linked with the boom and bust of early animal evolution

A whiff from blue-green algae likely responsible for Earth's oxygen

Burrowing animals may have been key to stabilizing Earth's oxygen

Rapid oxygen changes fueled an explosion in ancient animal diversity

Researchers find origin of 'breathable' atmoshere 0.5 billion years ago

Laughing gas may have helped warm early Earth and given breath of life

Low level of oxygen in Earth's middle ages delayed evolution for two billion years

Oxygen accumulated in Earth's primordial oceans 250 million years before the atmosphere