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

When you think about how fit you are, you might think about how far you can run or how many push-ups you can do. Or maybe you ...

Oxygen is vital to many medical procedures. But a safe, affordable supply is severely lacking around the world, according to a new report. By Apoorva Mandavilli At the height of the Covid-19 ...

Overuse of oxygen is more common than underuse among hospital inpatients at risk for hypercapnia, according to study findings published in Respiratory Medicine.

An article published this week in The Lancet medical journal found that more than half of the world’s population lacks access to safe and affordable medical oxygen services, and most people outside of ...

An exploratory expedition describes two deep-sea, low oxygen ecosystems in the Red Sea, including some surprising fish.