These underground rodents are the first mammals found to actively choose air with lower-than-normal oxygen levels. Their ...

Pulse oximeters use light to measure how much oxygen is in a person’s blood. For most people, a normal pulse oximeter reading is between 95% and 100%, researchers said in background notes. Readings ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxaemia) give ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

The Buffalo Bills have been preparing for the altitude in Denver prior to their playoff game against the Broncos.

Researchers find that microbes on tree bark can alter greenhouse and toxic gases, shaping climate and air quality beyond ...

Four-year-old Ellie Rudd – who loved mud and getting dressed up and having dance parties with her brother and sisters – died ...