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

Oxygen is everywhere on Earth today. But that hasn’t always been the case. Scientists think oxygen only became a lasting part ...

An MIT study suggests some early life forms may have evolved the ability to use oxygen hundreds of millions of years before ...

Oxygen fills the air today, but for most of Earth’s early history it barely existed. Scientists say the atmosphere did not hold steady oxygen until about 2.33 billion years ago, during the Great ...

Scientists have developed a powerful new dual-imaging tool that maps the retina’s structure and oxygen use in unprecedented detail. This breakthrough could one day help doctors spot sight-stealing ...

A nasal cannula is a medical device that provides supplemental oxygen therapy to people who have lower oxygen levels. There are two types of nasal cannulas: low flow and high flow. The device has two ...

In 2026, VARON continues to focus on clarity, reliability, and long-term user support. By offering a clearly structured lineup--from high-performance portable devices to clinical-grade home ...

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 ...