Right now, our world is teeming with life thanks to all the oxygen, but Earth wasn't always like this. Researchers forecast ...

Recent studies and warnings from NASA have sparked global concern about the long-term sustainability of Earth’s oxygen supply. The implications of a diminishing oxygen reserve are profound, ...

Rivers, streams, lakes, and reservoirs aren't just scenic parts of our landscape -- they're also vital engines for life on Earth. These inland waters 'breathe' oxygen, just like we do. But a new study ...