For the Arctic, this means record-low sea ice and ... and the Pacific Northwest to the Northeast in the U.S., a polar vortex-linked series of frigid blasts await. SEE ALSO: The Weather Channel ...

A haze of ice crystals in the air created a halo around the low sun as three snowmobiles thundered onto the sea ice on a ...

Data from a polar vortex splitting during 2002’s Southern Hemisphere sudden warming event helps expand models to accommodate ...

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.

took aim and fired a tranquiliser dart at a polar bear. The predator bolted but soon slumped into the snowdrifts, its broad frame motionless beneath the Arctic sky. The dramatic pursuit formed ...

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.