Fishermen and federal officials are grappling with bleak prospects in the cod industry.

Salmon populations in California’s Mokelumne watershed are on the rise, but it turns out that only 4 percent are of wild origins.

Salmon populations in California’s Mokelumne watershed are on the rise, but it turns out that only 4 percent are of wild origins.

Rising human consumption of marine mammals in tropical regions poses a threat to animals like the dugong, which is similar to a manatee, and the Atlantic humpback dolphin, researchers write.

The fate of the jack mackerel in the southern Pacific may foretell the progressive collapse of fish stocks in all oceans.

A law meant to spur the development of the West has outlived its purpose, and its environmental consequences have been severe.

Environmentalists hail a ban on fishing in 350 square miles of state waters as a boon to fish populations and ecosystems. But fishermen are smarting over steep economic losses.

Researchers using a remote-controlled vehicle that dived about 8,000 feet below the ocean near Antarctica have discovered 23 new animal species.

Even when suspected illegal fishermen are caught, penalties can be elusive, as two recent cases in Sierra Leone and Costa Rica show.

Fathoms below the freezing waters off Antarctica, unique communities clustered around hydrothermal vents teem with life.