Learn how microscopic fossils reveal that tiny seafloor organisms were already feeding and recycling nutrients soon after one of Earth’s largest mass extinctions.

How nutrients from Europa's icy shell reach its ocean has been unclear despite several theories.

Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that when iron is scarce, phytoplankton waste energy and photosynthesis falters.

By the late 1990s, scientists realized that virus activity was likely shaping how carbon and nutrients cycled through ocean ...

Beneath the surface of the South China Sea, researchers have identified a vast sinkhole in the seafloor that functions as a ...

Companies around the world are racing to patent the genetic building blocks of plankton – microscopic ocean life that ...

Each year, vast blooms of phytoplankton spread across the Southern Ocean, drawing carbon dioxide from the atmosphere and ...

Ocean scientists have been utilizing satellite technology to provide a clearer look at the plankton that form the foundation of aquatic ecosystems. What they're finding, according to The New York ...