"EARTH OXYGEN LEVELS" content on TweakTown - Page 1

A new study has connected the bombardment of asteroids onto Earth's surface during its formative years to past oxygen levels.

Researchers have predicted that Earth's oxygen-rich atmosphere won't last forever and will run out, suffocating most life.

A study has found just how long it will be until Earth's oxygen-rich atmosphere is depleted and the planet becomes uninhabitable.