Ancient microbes tied to our earliest ancestors could use oxygen, reshaping ideas about how complex life began on Earth.

Learn how oxygen’s early rise could have given complex life the energy boost it needed to evolve.

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 ...

What is hyperbaric oxygen therapy? Doctors explain approved uses, risks, costs and whether HBOT really speeds up healing ...

Oxygen therapy can help treat cluster headaches. However, current research does not support its use for migraine and other headache types. Oxygen therapy involves breathing in air that contains 100% ...

Some of Earth’s earliest microbes evolved the ability to use oxygen hundreds of millions of years before it accumulated in ...

When we view deep-space objects through backyard telescopes, we typically don’t see much color. The big exception is the bright green in certain nebulae. The secret behind this color constitutes a ...

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 ...

Toxic gas often is to blame when workers unnecessarily die due to asphyxiation in environments where the oxygen actually is depleted by gases such as nitrogen. In particularly tragic cases, other ...