Marine Mammals

New research in the Salish Sea shows how antibiotic-resistant bacteria is growing in coastal waterways and why it's how to track.

In response to pressures from the international community, Mexico has agreed to take more steps to prevent the porpoises’ extinction — but with fewer than 20 remaining, will that be enough?

A dire report about our climate and oceans underscores the great need for action. A global oceans treaty could help save the future.

Successful conservation means more sharks, which is great for the health of the ocean but could also be problematic in a few important ways. Here’s how experts say we should prepare.

In warming Alaska, Pacific walruses and Inuit craftsmen find themselves facing new and intersecting threats.

Journalist Ian Urbina’s daring new book The Outlaw Ocean uncovers a dark world of exploitation on the high seas — a world that exists out of the public eye and beyond the rule of law.

Time is running out to save North Atlantic right whales, but the use of ropeless fishing gear could be a lifeline.

Many of the gray whales found dead this year have suffered from malnutrition. Researchers are rushing to find the cause.

A sweeping “circular economy” bill in the California legislature aims to drastically reduce plastic waste and boost domestic recycling.

Increasing levels of underwater noise threaten Arctic whales, seals, fish and other species. A new report offers an opportunity for Arctic nations to lead on the issue.