A new Southwest Research Institute study tackles one of the greatest mysteries about Titan, one of Saturn’s moons: the origin of its thick, nitrogen-rich atmosphere. The study posits that one key to ...

An international team of researchers has found that nitrogen emissions from fertilizers and fossil fuels have a net cooling effect on the climate. But they warn increasing atmospheric nitrogen has ...

Particles from Earth’s atmosphere may be preserved in the Moon's soil, offering a long-term record of Earth’s atmospheric ...

Fossil-fuel burning and widespread agricultural use of nitrogen fertilizer have led to a substantial worldwide increase in the amount of reactive nitrogen (Nr) — all forms of nitrogen except ...

Ancient cycad lineages that survived the extinction of the dinosaurs may have done so by relying on symbiotic bacteria in their roots to fix atmospheric nitrogen. The finding came from an effort to ...

Earth is bathed in nitrogen. It makes up about 78% of the atmosphere, and it’s stitched into every nucleotide, every cell, every living thing on the planet. But before humans learned to synthesize ...