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 ...

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

Researchers Jeff Crooks and Stephany Garcia checked the minnow traps left at the murky mouth of the Tijuana River on a sunny October morning. They didn’t expect any catches. They haven’t had any for ...

A bold claim that the deep ocean floor produces oxygen without any sunlight has drawn sharp scientific pushback, with critics ...

The Buccaneer Lagoon incident isn't all that uncommon in Florida canals, as nutrients build up at the ends of the canals and ...

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

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.

This story was originally published by Yale Environment 360 and is reproduced here as part of the Climate Desk collaboration. Off the coast of southeastern China, one particular fish species is ...

Photosynthesising plants emerged millions of years before the Great Oxidation Event. Scientists have discovered a process ...