FAIRBANKS — A University of Alaska Fairbanks researcher’s work on the predator-prey relationship between orcas and narwhals in the Canadian Arctic could have significance for Alaska.

She joined a two-week narwhal research expedition, and reports on her Arctic journey and close encounters with the "sea unicorn". This article is the fourth in a 10-part series. Read part three here.

A narwhal in the Thames Among the narwhals in the collections we care for is an example found a long way from its Arctic home. In 1949, two narwhals – one male and one female – were recorded by the ...

I trotted down to the water’s edge for a closer look as a small pod of about 10 to 15 narwhals, females with calves, swam steadily and purposefully by some 100 metres offshore.

Martin Nweeia of the Harvard School of Dental Medicine has cracked the mystery of the narwhal, a bizarre species of Arctic whale with a spiral tusk that resembles a long, pointed horn. Researchers had ...