Ecological warning lights have blinked on across the Arctic over the last 40 years, according to new research, and many of ...
A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.
Its position was first observed in 1831 in Nunavut, northern Canada, by British explorer James Clark ... As it turns out, a tug-of-war between two large magnetic lobes under Canada and Siberia has ...