A newly discovered mechanism could explain the shock finding last year that oxygen is produced by metallic nodules on the ...

Scientists found that volcanic eruptions triggered short-lived oxygen spikes before Earth's air became breathable.

Tamela Peterson, owner and founder of the Oxford Center, was given a $2 million bond. Three other employees also charged.

Animals, plants and many other living organisms inhale oxygen to "burn" (oxidize) compounds like sugar into CO2 and water—a process during which the energy-rich molecule ATP is produced. Cells require ...

PRESENTER:The air we breathe is made up of different gasses like nitrogen, and oxygen. It's also full of tiny particles. If we were able to blow them up hundreds and thousands of times their ...

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis.

A new study conducted using existing data on Mars points to ferrihydrite, a substance that forms in the presence of water, oxygen, and iron, giving Mars its red ...