Polar bears rely on sea ice to hunt seals, their preferred prey.

Killer whales along the Norwegian coast have long classified as fish-eaters. New research shows that some of them also eat seals - and accumulate large amounts of harmful pollutants.

A new federal task force has submitted recommendations that will be the basis for a strategy to help level the playing field for the U.S. seafood exporters and importers when doing business with other countries.

Researchers have discovered why the tropics and a handful of other areas across the globe have become the most biodiverse places on the planet.

Sea trout numbers are declining in Norway and scientists don’t know why.

Scientists say Baltimore and Bullock’s Orioles are not merging.

The average size of a dingo is increasing, but only in areas where poison-baits are used, a collaborative study led by UNSW Sydney shows.

The floating plant-like organisms are showing up in higher concentrations across the Arctic Ocean.

Scientists have found that studying high-resolution images of whales from space is a feasible way to estimate their populations.

Lake Tahoe’s annual health report offers insight into a changing lake.