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

Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key ...

Did you know that the deep ocean can produce oxygen without the need of solar light nor photosynthesis? According to a study ...

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

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

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 ...