Scientists have discovered that polymetallic nodules in the Pacific's Clarion-Clipperton Zone generate 'dark oxygen' 4,000 meters below the ocean surface, without sunlight. The finding challenges long ...

An international team of researchers, including a Northwestern University chemist, has discovered that metallic minerals on the deep-ocean floor produce oxygen—13,000 feet below the surface. The ...

Outer space is an inhospitable frontier. Astronauts are not only cut off from gravity but also from all the resources ancient explorers took for granted, especially oxygen. Sure, you can grow fruit in ...

It's long been thought that photosynthesis was basically the only way that oxygen is naturally generated on Earth (some bacteria can also produce oxygen by breaking down nitrates). But a new study has ...

Sending robots to other planets is convenient because they don't need breathable air, and Earth is the only place we've found that. As NASA and other space agencies begin working toward crewed Mars ...