oxygen

Where does Earth's oxygen come from?  A new study hints at an unexpected source

Where does Earth’s oxygen come from? A new study hints at an unexpected source

The amount of oxygen in Earth’s atmosphere makes it a habitable planet. Twenty-one percent of the atmosphere is made up of this life-giving element. But in the distant past – as far back as the Neoarchean era 2.8 to 2.5 billion years ago – this oxygen was almost absent. So how did the Earth’s atmosphere …

Where does Earth’s oxygen come from? A new study hints at an unexpected source Read More »

Earth's oxygen comes from a surprisingly deep and warm source, study finds

Earth’s oxygen comes from a surprisingly deep and warm source, study finds

The amount of oxygen in Earth’s atmosphere makes it a habitable planet. Twenty-one percent of the atmosphere is made up of this life-giving element. But in the distant past – as early as the Neoarchean era 2.8-2.5 billion years ago – this oxygen was almost absent. So how did the Earth’s atmosphere get oxygenated? Our …

Earth’s oxygen comes from a surprisingly deep and warm source, study finds Read More »