Scientists warn oxygen is declining across oceans and freshwater systems, threatening aquatic life, food supplies and Earth's ...

Rivers in the US and central Europe are rapidly losing oxygen due to rising temperatures, which is putting fish at risk. Li Li at Pennsylvania State University and her colleagues have reconstructed ...

Oxygen levels in the Earth's atmosphere are likely to have "fluctuated wildly" 1 billion years ago, creating conditions that could have accelerated the development of early animal life, according to ...

Are we alone in the universe? This is a question that has intrigued humans for centuries and inspired countless studies and works of fiction. But are we getting closer to finding this out? Now that ...

New research suggests that low oxygen levels may help alleviate disease caused by defects in mitochondrial quality control.

A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s often triggered by lung or heart conditions like COPD, asthma, or heart ...

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 ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Off the coast of southeastern China, one particular fish species is booming: the ...

Say good-bye to pulse oximeters: Smartphone's camera and flash can now help people to measure blood oxygen levels easily at home. No need to search for pulse ...

People with a lung condition may have a blood oxygen level lower than normal. The body requires a lot of oxygen to function effectively. When we breath, our lungs fill with oxygen which is then ...