According to AccuWeather a blast of Arctic air will grip much of the eastern and central ... with the possibility of a snowstorm developing in the early part of the week. A polar vortex is a large ...

For the scientists aboard the Norwegian Polar Institute's research vessel Kronprins Haakon, these fleeting encounters were the culmination of months of planning and decades of Arctic fieldwork.

For the scientists aboard the Norwegian Polar Institute's research vessel Kronprins Haakon, these fleeting encounters were the culmination of months of planning and decades of Arctic fieldwork.

With one foot braced on the helicopter's landing skid, a veterinarian lifted his air rifle, took aim and fired a tranquiliser dart at a polar bear. They even eat grass (seaweed), even though that ...