Apple has your health in mind when it comes to the Apple Watch, which is why it added a blood oxygen sensor starting with the Series 6. This technology can tell if you’re getting enough oxygen to your ...

Gray seals may possess a secret sense that helps them survive at sea. The marine mammals adjusted their time spent underwater based on the amount of oxygen in the air they breathed before diving, ...

The sea mammals may actually be able to sense the amount of oxygen in their blood—something we humans can't do. A new study suggests gray seals (Halichoerus grypus) can sense the level of oxygen in ...

Using data from historic ship measurements and Argo floats, researchers introduced a machine learning technique that improves assessment and analysis of the ocean's declining oxygen levels. Oxygen is ...

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 ...

Climate change is extending far beyond the threat of melting polar ice caps -- it's putting a dangerous stranglehold on life in oceans, too. A new study published in the science journal Nature ...