oxygen

2022 - a rock-solid year for geology

Multi-celled animals may have evolved thanks to “wildly fluctuating” oxygen levels a billion years ago

Breathe in, breathe out and thank your lucky… rocks?

Bombardments from outer space shaped the atmosphere

Let there be photosynthesis: three billion years of fresh air

Did the slowing of the Earth's rotation create life as we know it?

Oxygen declining in the world’s lakes

Fighting COVID-19 with an oxygen enema?

News

How did Perseverance make oxygen on Mars?

Producing hydrogen, not oxygen

Was Earth’s oxygenation a gradual process?

Temperature the key to multicellular evolution

1 2