Nearly 4,000 m beneath the Pacific, in water so dark that sunlight has never penetrated, scientists have stumbled on a new ...

Oxygen began entering Earth's oceans around 2.32 billion years ago, and shallow seas followed within a few million years.

A New Hampshire emergency room doctor says simple technology could save lives in the fight against the coronavirus. Dr. Richard Levitan, who has three decades of experience, volunteered last month at ...

Mercey Livingston is a health and wellness writer and certified Integrative Nutrition Health Coach. She's written about fitness and wellness for Well+Good, Women's Health, Business Insider, and ...

Far below the reach of sunlight, at roughly 4,000 m deep on the Pacific seafloor, researchers have stumbled on a form of ...

Oxygen saturation is a measure of the amount of hemoglobin that is bound to molecular oxygen at a given time point. It is an important parameter for managing patients in a clinical setup. Oxygen ...

An aerial view of a river surrounded by trees (Brian Beckwith/Unsplash via Courthouse News) (CN) — Inland waters like rivers, lakes, streams and reservoirs need oxygen to survive, just like we do, but ...

In hospitals around the world, doctors are shaking their heads in disbelief as they watch Covid-19 patients who should be comatose or "seizing" from hypoxia -- a lack of oxygen in the body's tissues - ...

Oxygen levels in the Earth's atmosphere are likely to have 'fluctuated wildly' one billion years ago, creating conditions that could have accelerated?the development of early animal life, according to ...

A doctor has disproved the myth that face masks or coverings lower oxygen levels in a viral video posted to Twitter. Maitiu O Tuathail, a doctor in Dublin, posted the video and said: "Getting asked ...

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.