With oxygen only 16 percent of the atmosphere, animals at sea level breathed air similar to that at the top of a 9,200-foot mountain today. At 12 percent, the corresponding elevation would be ...

The U.S. Air Force is blaming an F-22 fighter pilot for the crash that cost his life, even though the plane -- one of a fleet plagued by oxygen system problems and never flown in combat ...

The Mars Oxygen In-Situ Resource Utilization Experiment, or MOXIE, is a microwave-sized device that takes unbreathable Martian air and turns it into oxygen humans – and dogs – rely on.

Out Of Thin Air: NASA Rover Makes Oxygen From Martian Atmosphere. April 22, 2021 11:33 AM ET. By . Scott Neuman , Joe Palca Enlarge this image.

When the air is passed through the device, it is checked for the purity and quantity of the oxygen produced. On August 7, the device finished its last and final final run. It created 9.8 grams of ...