A new study reports finding corn species in Mexico that can trap nitrogen.

A study shows that by killing off seabirds on islands, rodents slash the flow of nutrients into the ocean.

Ancient bones from Ireland reveal that farming has changed nitrogen composition in land for the last 3,000 years.

High carbon dioxide levels can irreversibly rev up a cyanobacterium’s ability to fix nitrogen over the long term, a study finds.

Ethanol-producing Zymomonas mobilis can live on nitrogen gas, potentially cutting costs and environmental waste in biofuel production.

UVA exposure reduces human blood pressure by releasing nitric oxide metabolites from storage in the skin.

The federal agency should reduce harmful nitrogen emissions by 25 percent in the next two decades, a new report says.