A polar day is when the sun does not set and stays above the horizon for an extended period, while a polar night is when the ...

On Tuesday, the sun rose in Utqiaġvik, Alaska, for the first time since November—but only for a whopping 48 minutes before it set again. The sun appeared around 1:15 p.m. and disappeared just after 2 ...

Plungers ran into the cold Chesapeake Bay on Saturday, Feb. 1, marking the 29th annual Special Olympics Maryland Polar Bear Plunge. The fundraising event, in which individuals pledge $100 or more ...

Polar bears are struggling to survive as sea ice dwindles. Scientists have now quantified how much climate change has drastically reduced the number of polar bears living in Canada's Hudson Bay ...

(Jeffrey F. Bill/Staff) The Swimmin’ Women pose for a photo before participating in their version of the Polar Bear Plunge at Merritt Clubs Eldersburg. Plunging this year, front row, left to ...

It weakens during the winter as the poles get more sunshine and strengthens during the winter as sun angle starts to shift and the poles get little to no sunshine. The polar vortex is a large area ...

Your navigation system just got a critical update, one that happens periodically because Earth’s magnetic north pole keeps moving. Here’s what to know.

The ongoing cold spell, which may bring down the mercury to as low as -50C (-60F), is caused by the expansion of the polar vortex – an area of extremely cold, rotating air around the Arctic ...

Polar bears are perfectly adapted to the Arctic climate with a thick layer of blubber, dense fur, and black skin that absorbs heat from the sun. Their large paws act as snowshoes, distributing their ...

The Znamya project had the potential to change the world. The BBC's Tomorrow's World reported on an experiment that was ...