Microbes near the surface of the Southern Ocean sustain the polar food chain — impacting the nutrient flow from the surface ...

The Arctic Ocean, once locked in a vault of thick, old ice, now is transforming at lightspeed. Temperatures there are ...

Phytoplankton is an important component of the food-web and is predated by a wide variety of aquatic organisms, such as water ...

New research shows that marine heat waves can reshape ocean food webs, which in turn can slow the transport of carbon to the deep sea and hamper the ocean's ability to buffer against climate change.

For decades, scientists believed Prochlorococcus, the smallest and most abundant phytoplankton on Earth, would thrive in a warmer world. But new research suggests the microscopic bacterium, which ...

A groundbreaking study of 7,000-year-old exposed coral reef fossils reveals how human fishing has transformed Caribbean reef food webs: As sharks declined by 75 percent and fish preferred by humans ...

Marine heat waves in the northeast Pacific Ocean create ongoing and complex disruptions of the ocean food web that may benefit some species but threaten the future of many others, a new study has ...

Flathead catfish have become a threat to resident species in the Susquehanna River in Pennsylvania. The results of a new study suggest they're outcompeting other predators and reshaping an essential ...