PUNCH spacecraft make final pit stop before launch
Four small suitcase-sized spacecraft, designed and built by Southwest Research Institute, have made a final Earth-side pit ...
Powerful polar vortex in the stratosphere brings frigid temperatures to US
A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...
WDRB7d
Polar vortex keeps much of the US in its icy grip
ANNAPOLIS, Md. (AP) — 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 ...
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The polar vortex readies to dump snow on Texas and its neighbors
The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes ventures south into the U.S., Europe and Asia. Some experts say such cold air outbreaks are happening more ...
The Southern Illinoisan17d
The polar vortex brings its bitter cold to the Southern US
NORFOLK, Va. (AP) — The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma ...
WTOP News17d
Polar vortex keeps much of the US in its icy grip
Bickel)(AP/Joshua A. Bickel) ANNAPOLIS, Md. (AP) — 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 ...