Designed by 3M, the ‘Burr on Fur’ polar bear tracker sticks to the animal’s fur, and could be a breakthrough for wildlife research. In order to protect animals like polar bears from certain ...

An April cold snap is expected to bring unusually cold temperatures to the eastern half of the US next week. The cold snap could impact new spring vegetation and lead to frost in some areas.

What is the polar vortex? It’s a wintertime mainstay ... Content continues below A particularly brutal cold snap in early 2014 sent Toronto’s nighttime lows plummeting below -15°C through ...