On June 2, 1985, Leonard Lake was arrested near San Francisco for carrying a gun and an illegal silencer in a stolen car he was driving. Balazs, who’d worked as a teacher’s aide, married Lake in 1981.

Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that when iron is scarce, phytoplankton waste energy and photosynthesis falters.

Rivers across the globe are quietly running low on oxygen, and the trend is accelerating. A new analysis of satellite and climate data shows that nearly 80% of the world's rivers have seen dissolved ...

Anoxia happens when parts of the body do not get any oxygen due to stroke, carbon monoxide poisoning, and other causes. Stagnant anoxia occurs when a disease or injury limits blood flow. Anemic anoxia ...