The world’s oceans have seen significant declines in certain types of microscopic plant-life at the base of the marine food chain, according to a new NASA study. The research, published Sept. 23 in ...

The ocean floor hosts a remarkable diversity of plant life, vital for both marine ecosystems and the planet’s health. Unlike land plants, underwater flora must adapt to low light, high pressure, and ...

A few years ago, NASA researcher Watson Gregg published a study showing that tiny free-floating ocean plants called phytoplankton had declined in abundance globally by 6 percent between the 1980s and ...