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 ...

The first is the polar jet stream, a huge current of air that circles the globe between 50 and 60 degrees north latitude within the low-altitude troposphere, the same layer of atmosphere where ...

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 ...

One of the key players in these dramatic shifts is something called the polar vortex. The polar vortex is a massive area of cold air located high in the atmosphere, typically spinning over the ...

A lobe of the polar vortex, a stormy ring that typically keeps the coldest air locked up near the North Pole, will dip southward into the United States this weekend into next week. Polar air ...

Texas Governor Greg Abbott has declared a state of emergency in response to the polar vortex, which is bringing snow, ice and freezing rain across the nation. According to a Monday statement from ...

ANNAPOLIS, Md. — A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies in its ...

Most of the country will likely be hit by an arctic blast this weekend into early next week as the polar vortex ushers in cold air from Siberia and multiple storms roll in and bring the potential ...

In a mesmerising blend of art and mathematics, a research student from University College London (UCL) has recently gained widespread attention for creating intricate images solely through ...

Arctic winds from a powerful polar vortex are sweeping across several states, bringing dangerously cold temperatures and severe weather conditions. It comes as the U.S. is potentially set to see ...