Sierra Space’s ambitions to develop an alternative upper stage capability for the U.S. Defense Department have taken another step forward with the award of a $16 million U.S. Air Force Research ...
Hosted on MSN
Triple polar vortex sends temperatures plunging in central and eastern US as 1st Arctic cold blast moves in
The first of three rounds of cold Arctic air from a shifting polar vortex has sent temperatures plunging across the central and eastern U.S., threatening centuries-old record lows in cities and towns ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback