Oxygen on exoplanets can be the result of simple chemical processes rather than biological ones.

Dartmouth researchers have developed a cell phone-based tool that monitors tissue health by using a naturally occurring ...

Blood oxygen levels refer to the amount of oxygen circulating in the blood. Normal blood oxygen levels fall between 75 and 100 millimeters of mercury (mm Hg) on arterial blood gas (ABG) test results.

Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundance ...

Animals that dwell at high altitudes have adapted to cope with low oxygen levels, a condition that damages a vital part of nerve cells ...

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 ...

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 ...

Scientists discovered that mitochondria inside plant cells can pull oxygen away from chloroplasts, revealing a hidden mechanism that may help plants adapt to stress.