The very air we breathe, composed of approximately 21% oxygen, is the lifeblood of our planet. It sustains everything from microscopic organisms to towering redwoods and, of course, humanity. But what ...

Oxygen is one of the many components that make life on Earth possible. However, a new study says that an extreme drop in oxygen could one day suffocate most of the life on our planet. Luckily, that ...

It's no secret that Earth is doomed. Sure, there's the threat of climate change and the fact that sea levels are rising around the world. But that's not what we're talking about. Instead, our planet's ...

Oxygen is paramount for the survival of many beings on Earth. Therefore, when a team of researchers found that oxygen levels on Earth are in danger of dropping by a millionfold, they were evidently ...

Oxygen levels in the Earth’s atmosphere are likely to have “fluctuated wildly” one billion years ago, creating conditions that could have accelerated the development of early animal life, according to ...

Climate change is extending far beyond the threat of melting polar ice caps -- it's putting a dangerous stranglehold on life in oceans, too. A new study published in the science journal Nature ...

WASHINGTON — Makers of medical devices that quickly measure oxygen levels in the blood would have to gather extra data to show that their products work for patients of color, under a new federal ...

Reducing oxygen levels in critically ill children on mechanical ventilators in intensive care could save tens of young lives each year, finds a new study led by researchers at UCL and Great Ormond ...

SACRAMENTO — It's a stressful time for salmon in the American River as they are unable to swim upstream at the Nimbus Fish Hatchery. The opening of the Nimbus Fish Hatchery's salmon ladder was ...

Makers of medical devices that quickly measure oxygen levels in the blood would have to gather extra data to show that their products work for patients of color, under a new federal proposal released ...

Crew 10, from left, cosmonaut Kirill Peskov, astronaut Nichole Ayers, astronaut Anne McClain and JAXA astronaut Takuya Onishi leave the Operations and Checkout building before heading to Launch Pad 39 ...