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

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 ...

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 ...

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 ...

Maintaining healthy oxygen levels is vital for our health. There are five natural approaches to increase oxygen intake and lung function: maintaining good posture, practicing breathing exercises, ...

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 ...

Elite freedivers who dive unaided in open sea, have brain oxygen levels even lower than seals during their deepest dives, new research at the University of St Andrews has found. The divers, who ...