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

Far below the reach of sunlight, in water cold enough to freeze most life in its tracks, scientists have found oxygen being ...

A recent report out of Oregon State University paints a picture of how ocean oxygen levels have decreased in the Pacific Northwest over the years. The report found near-bottom levels of dissolved ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Off the coast of southeastern China, one particular fish species is booming: the ...

The possibility of life on Mars may not be consigned to the distant past. New research suggests our neighboring world could hide enough oxygen in briny liquid water near its surface to support ...

Follow the water and the oxygen. Just two of the key tenets of humanity’s early and ongoing exploration drives within our solar system. That research has received huge boons in the last two decades ...

Body mass and cell size are major factors in a fish’s ability to withstand temperature-dependent, low-oxygen environments. Fish worldwide are being plagued by larger and more frequent episodes of ...

GLENWOOD SPRINGS — A 20-year-old woman from Pennsylvania died almost two weeks ago on her way to Conundrum Hot Springs near Aspen after suffering from acute altitude sickness, according to her mother.