The original version of this story appeared in Quanta Magazine. Scientists have come to realize that in the soil and rocks beneath our feet there lies a vast biosphere with a global volume nearly ...

Potato-sized lumps of metal on the seafloor are generating oxygen, a new study has found. Scientists previously believed that oxygen was strictly formed as a byproduct of photosynthesizing plants.

A robotic chemist working autonomously in a lab has developed an oxygen-producing catalyst from minerals found in Martian meteorites. The same procedure could one day be used to provide oxygen for ...