The Sgt. STOUT and Avenger, both mobile air defense systems, deployed for major European and African exercises.

The initial results and observations from preliminary field experiments are inconclusive but encouraging. For example, the ...

Better wood and better stoves are key components of cleaner air in a cold-weather region where atmospheric inversions trap ...

The president would need to rely on Ottawa to track Chinese and Russian missiles that could come at the U.S. from over the ...

Donald Trump's ambitious \"Golden Dome\" missile defense plan hinges on Canada's cooperation, particularly its Arctic ...

I've used other popular designs from the company prior to this, such as the Freezer 34, but without a doubt the Freezer 36 is ...

A haze of ice crystals in the air created a halo around the low sun as three snowmobiles thundered onto the sea ice on a ...

Researchers are trying to rebuild sea ice above the Arctic Circle so it can reflect the sun’s warming rays, slowing climate ...

With one foot braced on the helicopter's landing skid, a veterinarian lifted his air rifle, took aim and fired a tranquilizer ...