Oceans

Highly trained military dolphins have been dispatched to round up the last 30 vaquita porpoises and (hopefully) save the species from extinction.

Oil surveys in the Atlantic Ocean could harm marine life without benefiting the US economy.

Southern Resident killer whales have a shortage of food and an overdose of deadly pollutants.

Director Jeff Orlowski’s documentary "Chasing Coral" is visual evidence from the front lines of a planet falling apart.

Fewer than 30 of these rare porpoises remain. Can their extinction be prevented?

What better way to understand the dangers of plastic pollution than by traveling on a ship made out of garbage?

Warming waters are already having a chilling effect on the state’s lobster industry.

Eggs and hot sand do not mix.

Deep-sea mining could soon become a reality, experts warn.

When a 60,000-pound shipping container falls into the ocean, its plastic contents can end up on the world’s beaches — and in its fish.