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

A new study suggests that ancient microbes once cast as oxygen haters may have actually learned to use the gas, offering a clue to how the first complex cells — and, eventually, all plants and ...

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

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

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

For centuries, it was believed that the production of oxygen relied on one component: photosynthesis (the conversion of light ...

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 ...