Russian interference with satellite systems in Europe has disrupted television broadcasting, including a children’s channel, ...

For the first time, a group of U.S. researchers has concluded that China has built a land-based prototype nuclear reactor to ...

In the Ukraine conflict, Russia’s Su-35—a highly maneuverable “4++ generation” fighter—has faced stiff resistance from ...

That proximity has irked China, North Korea’s main backer. Chinese officials fear that Russia’s influence over the insular ...

Project A119 was a Cold War-era response to Sputnik, with the goal of using a nuclear explosion in space to scare the Soviets ...