Alaska’s wolves are turning to the ocean for food, hunting sea otters and revealing how ecosystems overlap at the coast.

As surfer-otter run-ins continue, researchers say people, not otters, are responsible. Human development has left Santa ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

A study comparing the nutritional demands of killer whales with the caloric content of their prey has startling implications for the potential impact of these large predators on populations of other ...

Pleasant Island in Alaska is not exactly befitting of its name. The frigid, 20-square-mile island is uninhabited by humans, but it hosts a remarkably large and rich ecosystem that features deer, ...

You might think river otters would be deathly afraid of alligators. After all, alligators do prey on otters. However, would you believe that sometimes it’s the other way around? A video taken in ...