Rivers, lakes, and reservoirs have always been Earth's hidden lungs — breathing life through the oxygen they cycle. But over the last century, that breath has grown shallow. A new study led by ...

A bizarre new discovery in the deep Pacific Ocean has scientists scratching their heads, and for good reason. Far beneath the ...

Nitrogen is one of the primary nutrients critical for the survival of all living organisms. Although nitrogen is very abundant in the atmosphere, it is largely inaccessible in this form to most ...