Recent studies and warnings from NASA have sparked global concern about the long-term sustainability of Earth’s oxygen supply ...

Some 390 million years ago in the ancient ocean, marine animals began colonizing depths previously uninhabited. New research ...

An aerial view of a river surrounded by trees (Brian Beckwith/Unsplash via Courthouse News) (CN) — Inland waters like rivers, lakes, streams and reservoirs need oxygen to survive, just like we do, but ...

And they would arrive with oxygen levels that basically were incredible to us. I mean, almost unimaginable how people could be awake and alert and have oxygen levels that are half normal. … ...

PORT ST. LUCIE — Test results have confirmed a blue-green algae is responsible for a massive fish kill here in the past two ...

A new study finds oxygen has probably not varied all that dramatically since dinosaurs first roamed the Earth. Scientists in Ireland say the atmosphere seems to have been at least 15 percent ...

A low-oxygen environment — similar to the thin air found at Mount Everest base camp — can protect the brain and restore ...

Denton officials responded to reports of dead fish at Unicorn Lake, according to a press release from the city.

Apple is bringing blood oxygen monitoring back to some Apple Watches with an update after a US Customs ruling.

Some 390 million years ago in the ancient ocean, marine animals began colonizing depths previously uninhabited. New research ...