In the war over Ukraine, aircraft on both sides routinely fly at extremely low altitudes. Climb too high and long range missile systems will detect and destroy the aircraft almost immediately. Drop ...

There has been a "flattening of the earth" by new radar and missile technology, a Royal Air Force official said. The long-running assumption that ultralow flying would prevent detection is "obsolete," ...

A flood emergency is underway in western Washington as several communities are underwater from historic rains. by Morris Malakoff If you live in the Snoqualmie area, don't be alarmed when you see a ...

The world's first hydrogen-fueled hypersonic jet may be able to reach a simply astounding speed of 12 times the speed of ...