An 8.8-magnitude earthquake off Russia's Kamchatka Peninsula shook the Pacific, but its tsunami fizzled. A geologist explains ...

Russia’s space chief has visited the United States to discuss plans for continued cooperation between Moscow and Washington ...

Ukraine is set to receive its first two Patriot air defense systems from Germany “in the coming days” as part of the deal the U.S. government struck with NATO last month. Germany said Friday ...