Oceans

Two injured sea creatures merged to form a “Franken-jelly”

Polymetallic blobs are producing “dark oxygen” from the depths of the ocean—and no one knows exactly how.

James Cameron takes us behind the scenes and beneath the waves in a discussion of the new National Geographic show OceanXplorers on today’s episode of Science Quickly.

Coral reef soundscapes could help researchers assess their overall health.

Sharks provide multiple benefits for ocean ecosystems: their declining numbers threaten habitats for baby fish

Warmer temperatures were supposed to make Arctic shipping easier. But thick floating ice created by local melting is a bigger risk than people realized

A group on the islands of Penghu is restoring ancient fishing weirs, hoping to preserve the sustainable fishing practice and attract ecotourism.

Cocaine has been detected in sharks for the first time, but scientists aren’t sure of the impact

Scientists hope the incredibly rare beaching of a spade-toothed whale will help them learn more about this persistently elusive species

Baffling new results show that rocklike mineral deposits in the deep sea can produce oxygen

A tall cactus found only in Florida’s Key Largo is the U.S.’s first species to go extinct from sea-level rise

Researchers on a multimonth Antarctic expedition describe how the climate crisis intertwines with their work.