US President Donald Trump said he ordered two nuclear submarines to "appropriate regions" after what he called "foolish and ...

Ukrainian officials say the drones used in Thursday’s deadly strike were faster, harder to detect, and may signal a new phase ...

More than three years into Russia's full-scale invasion, Ukrainians across the country retreat each night to bomb shelters ...

The Space Force has an array of sensors scattered around the world to detect and track satellites and space debris. The 18th ...