Oxygen is critical to life. When levels of oxygen change, it can have immediate and lasting impacts on a person's health.

Makers of medical devices that quickly measure oxygen levels in the blood would have to gather extra data to show that their products work for patients of color, under a new federal proposal released ...

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes ...

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

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

SPIRIT LAKE, Iowa (KTIV) - Folks on Big Spirit Lake have been observing strange behavior in the fish there for the past few weeks because of low oxygen levels in the water. While this may sound like ...