A never-before-seen image of individual oxygen atoms dissolved in water has been captured.

Oxygen began entering Earth's oceans around 2.32 billion years ago, and shallow seas followed within a few million years.

Oxygen bars can be found in malls, casinos, and nightclubs. These “bars” serve purified oxygen, often infused with scents. The oxygen is administered into your nostrils through a tube. The purified ...

Oxygen therapy can help people with certain health conditions, such as emphysema, sleep apnea, or severe COVID-19, get enough oxygen to stay well and function. Oxygen therapy may be a temporary ...

More than 1.5 million Americans use an oxygen concentrator for supplemental oxygen therapy. Oxygen concentrators can be rented or bought, depending on whether you are using it for short-term therapy ...

Oxygen therapy helps people with emphysema breathe more easily. In the later stages of the illness, oxygen may also extend someone’s life. Emphysema is a type of chronic obstructive pulmonary disease ...

Based in Tampa, Florida, Virginia Pelley is a former women's magazine editor who has written health and fitness content for Men's Journal, Cosmopolitan magazine, the Chicago Tribune, ...