Ukraine and Russia have escalated their shadow war of espionage, sabotage, and assassinations, with both countries claiming a ...

Ukrainian officials have arrested a Chinese father and his son over a suspected attempt to illegally transfer classified documents on a key Ukrainian missile system to Beijing. | One of India's ...

A four-day test in the Alaska wilderness shows how far the U.S. military and American drone companies lag behind China in the technology.

In this video, we explore the Soviet supersonic passenger jet, the Tu-144, and compare it to the British Concorde. - **0:00** ...