Three-hundred-million years ago, Earth was very different. The continents had coalesced into Pangea, which was dominated in ...

Practically all of the ocean floor remains a mystery to humans, but robotic floats may soon change that shortcoming. In a ...

The people of Earth have aspirations to return to the Moon and eventually colonize Mars, two places where oxygen isn't ...

An article published this week in The Lancet medical journal found that more than half of the world’s population lacks access to safe and affordable medical oxygen services, and most people outside of ...

"Methane reforming" is a process that turns methane (CH4) into hydrogen—which can be utilized as an environmentally friendly ...

Learn how oxygen’s early rise could have given complex life the energy boost it needed to evolve. The story of how complex life began is largely understood, but one contradiction has never quite fit.

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 ...

Sarah Mitroff has worn many hats at CNET, including Senior Mobile Editor and Managing Editor of Health and Wellness. Currently, she is a freelance editor. Throughout her career, she's written about ...

Photodynamic treatment of cancer is based on administering an initially inactive substance that is only activated in the ...