When people hear the word "migration," they think of animals that move from a feeding area to a breeding area and back each year. But the greatest migration on Earth happens twice every night. The movement ...

The devastation of many of the greatest North Atlantic cod stocks, particularly those of Newfoundland and Labrador and the Grand Banks, has become an icon for the unsustainable relation between human ...

On the West Coast, few subjects are as controversial as salmon farming. Every week, new studies raise alarming questions about the safety of farmed fish and the risk farms pose to the environment. But ...