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 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 ...

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 ...

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 ...

Gray seals may possess a secret sense that helps them survive at sea. The marine mammals adjusted their time spent underwater based on the amount of oxygen in the air they breathed before diving, ...

Low oxygen levels measured off the coast of Oregon and Washington are raising fears of large “dead zones” that could wipe out crabs and bottom-dwelling fish within. The National Oceanic and ...

The Chesapeake Bay saw oxygen levels hit record lows this summer. That’s according to the hypoxia measurement, which is performed twice a month. Hypoxia happens when water has less than 2 mg/l of ...

Janay Reece came back home to Baltimore to join WJZ in August 2023. Before coming back to the Charm City, Janay was a morning anchor and reporter for WDBJ7 in Roanoke, VA. She joined the WDBJ7 morning ...

Then-President Donald Trump’s blood oxygen level dipped down to a “dangerously low level” hours after he announced back in October 2020 that he tested positive for Covid-19, according to his former ...