A great algae bloom at the bottom of the world is teaching scientists more about how an iconic symbol of the United Kingdom came to be.
A new analysis of a key contributor to the marine food web has turned up a surprising twist: more unique species in cooler waters than in the tropics, a reversal of the situation on land.
Sea turtles and whales may be the charismatic critters of the sea, but the true kingpins of the ocean make up 98 percent of the ocean's biomass—and yet individually are too small to see with the naked eye.
Littered cigarette butts may be an important source of metal contaminants leaching into the marine environment and potentially entering the food chain, suggests research published online in the journal Tobacco Control.
Decades ago, the sight of seagrass swaying beneath the waters off south Florida conjured romance for those who dangled their fishing lines in hopes of catching redfish, snook or mangrove snapper.
The billions of single-celled marine organisms known as phytoplankton can drift from one region of the world's oceans to almost any other place on the globe in less than a decade, Princeton University researchers have found.
Toxic plastic is wreaking havoc on marine life – and University of Queensland researchers fear it could be making its way up the food chain and ending up on our dinner plates.
In the water above natural oil seeps in the Gulf of Mexico, where oil and gas bubbles rise almost a mile to break at the surface, scientists have discovered something unusual: phytoplankton, tiny microbes at the base of the ...
Killer whales in European waters face extinction due to outlawed but long-lived pollutants that also threaten several species of dolphins, according a study released Thursday.
Small fisheries in Western Australian waters are at the mercy of zooplankton, with short-lived growth in the Kimberley.