Ammonia-oxidizing archaea (AOA) are some of the most abundant microorganisms in the ocean and play a key role in nitrogen ...

Benthic foraminifera are unicellular eukaryotes that inhabit marine sediments and play a pivotal role in nutrient cycling. Their remarkable physiological capabilities enable them to thrive in diverse ...

Ocean microbes can use urea when ammonium is scarce. This helps them survive in poor waters and reshapes our view of the nitrogen cycle.

Irvine, Calif., Feb. 4, 2025 — Computer models reveal how human-driven climate change will dramatically overhaul critical nutrient cycles in the ocean. In the Proceedings of the National Academy of ...

Around the world, phytoplankton in the upper ocean help to cycle key nutrients and regulate Earth's climate by absorbing ...

Slow orbital changes caused pulses in Earth's oxygen cycle 500 million years ago, which spurred explosions of animal life.