Oceans

PFAS can enter the food chain through marine plants and animals and hurt human health

We can’t put a price on a healthy biosphere. We must instead reorient our economy into one that values the living world

A deep-sea expedition discovers a strange, dark world of strawberry squid and ratfish in cold-water corals near the Galápagos Islands

Charting the seafloor with deep-diving animals can help scientists predict glacial and ice-sheet-melting physics

A facility off the coast of Oregon is being constructed to test devices to harness wave power that resemble everything from buoys to carpets

A hydrogeologist explains the shifting balance between fresh and salt water at the coast as sea levels rise

Eight pages hidden in an archive led to the discovery of the story of Christine Essenberg

Mining the seafloor could boost global production of clean energy technology—and destroy the ocean in the process

Thousands of usually solitary octopuses gather to brood eggs in a special spot off California

As waters off Florida hit abnormally hot temperatures, volunteer divers are rescuing corals to ride out the heat wave in giant tanks on land

The number of extreme wave events—when crests are taller than 13 feet—have doubled along California since the mid-20th century

“I’ve never seen anything like it,” says a paleontologist not involved in the discovery of a 40-million-year-old fossilized whale