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 ...

Ammonia-oxidizing archaea (AOA) are some of the most abundant microorganisms in the ocean and play a key role in nitrogen cycling. Yet, despite their ubiquity, scientists have long puzzled over how ...

A photo of seven American bison grazing in Gardiner, Montana, in front of a stone arch Bison graze near Roosevelt Arch, near the north entrance of Yellowstone National Park, in Gardiner, Montana.

Gilles Billen does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

In a warming corner of Iceland, tiny soil microbes are quietly rewriting one of Earth’s most fundamental life-support systems. Instead of passing nitrogen along to plants, they are increasingly ...

Climate change is not only warming the planet and disrupting rainfall, it is also quietly rewiring the way nitrogen moves through the world’s croplands, forests, and grasslands. This hidden shift in ...

Human activities have dramatically altered the Earth’s nitrogen cycle since the Industrial Revolution, driving pollution, biodiversity loss, and climate feedbacks. A new scientific review highlights ...

Nitrogen is an essential element for living organisms, needed to build DNA, proteins and chlorophyll. Although nitrogen makes up nearly 80% of the air we breathe, it’s availability to plants and ...

The nitrogen cycle is a biogeochemical process encompassing the biologically mediated and abiotic transformations of nitrogen between atmospheric, terrestrial, and aquatic reservoirs, enabling its ...