Tourists to Antarctica are fueling research on some of the tiniest, most influential organisms on Earth: phytoplankton. These itty bitty critters... Here's how tourists are solving a plankton puzzle ...

Phytoplankton use sunlight to make energy and nearly half the oxygen we breathe, a new tool improves our ability to measure how individual phytoplankton cells are using energy ROCKVILLE, MD – ...

Pytoplankton are plant-like microorganisms that are estimated to have generated half of the Earth's oxygen supply. And even when they die, they fall to the ocean floor and turn into a massive carbon ...