Ancient microbes tied to our earliest ancestors could use oxygen, reshaping ideas about how complex life began on Earth.

Learn how oxygen’s early rise could have given complex life the energy boost it needed to evolve.

Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key ...

A nasal cannula is a medical device that provides supplemental oxygen therapy to people who have lower oxygen levels. There are two types of nasal cannulas: low flow and high flow. The device has two ...

Scientists have developed a powerful new dual-imaging tool that maps the retina’s structure and oxygen use in unprecedented detail. This breakthrough could one day help doctors spot sight-stealing ...

Add Yahoo as a preferred source to see more of our stories on Google. MIT-led research suggests microbes used oxygen hundreds of millions of years before Earth’s Great Oxidation Event. (CREDIT: ...

In past Medscape posts, I've railed against the cost of inappropriate prescriptions for oxygen. A recent review recommended against prescribing oxygen for patients with isolated exertional or ...

Nighttime drops in ocean oxygen raise energy use in small reef fish. Repeated stress could affect reef health as oceans warm.