Fish contribute to ocean carbon storage by producing carbon-rich feces that can rapidly sink to the seabed, transporting carbon to deeper layers. The carbon content and sinking rate of feces vary by ...

A team of science-minded kayakers and snorkelers in La Jolla Cove had the encounter of a lifetime when a dead oarfish washed to the ocean surface on Aug. 10, 2024. This deep-sea fish is incredibly ...

Mesopelagic fish, long overlooked in ocean chemistry, are now proven to excrete carbonate minerals much like their shallow-water counterparts—despite living in dark, high-pressure depths. Using the ...

A surprising new discovery suggests that tiny microbes living inside fish may be helping shape the chemistry of the world’s oceans. Scientists found evidence that bacteria in the guts of marine fish ...

Members of China's 16th Arctic Ocean scientific expedition team work on the ice surface of the Arctic Ocean on Aug. 9, 2026. ...

New research reveals a potential link between the gut microbes of a fish and global ocean processes, offering new insight into how marine ecosystems help regulate ocean chemistry and the marine carbon ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Some types of sea ...

Ocean fish populations have fallen dramatically in the past half-century, and climate change is expected to make the problem worse. Governments have designated “marine protected areas”, where where ...