In Scoresby Sound — an East Greenland fjord system that extends about 217 miles inland and spans roughly 3,900 square miles — scientists gathered 2,060 profiles of temperature, salinity, and depth ...

Narwhals can be hard to find, but skilled Ittoqqortoormiit hunters know where to look. (Kristin Laidre) If you're out of your ...

Narwhals look like they swam out of a medieval legend, complete with a spiraling “horn.” That famous "horn" is actually ...

They live in some of the most inaccessible waters on Earth, where ocean temperatures hover around freezing. Because they move ...

X-rays revealed that the tusks have an internal opposing twist, which may help explain how they grow so straight — the only ...

The double spiral secrets of a narwhal's twisted tusk have been revealed using the latest X-ray technology in 3D.

The Arctic whales are the only known animals with straight tusks, and ones that consistently twist to the left. New research reveals that the inner layer twists to the right and that the opposing spir ...