VIENNA (AP) — The United States and Russia have both recently threatened to resume nuclear testing, alarming the international community and jeopardizing a global norm against such tests. Experts say these threats from the world’s two largest nuclear powers put pressure on nonproliferation efforts and endanger global peace and security.

The WC-135R atmospheric collection aircraft is capable of detecting radioactive "clouds" in real time.

Editorial written by The Dallas Morning News Board. Since President Donald Trump took office, we have worried that he would leave the brave people of Ukraine to Russian leader Vladimir Putin’s brutal intentions.

Economic and military pressures could force Russia’s hand. Its economy is strained but not enough to do that, analysts say. And President Vladimir V. Putin says Russia is winning the war.

The probability of changing educational class was 52-53% in China compared to 45-46% in Russia, but roughly 68-81% of China's mobility and 57-68% of Russia's came from structural change rather than exchange mobility. At the steady state, Russia shows greater educational mobility, at about 42%, than China, which tracked at 19-27%.

By Francois Murphy VIENNA, Dec 4 (Reuters) - Ukraine wants "real peace, not appeasement" with Russia, its foreign minister said on Thursday at the Organization for Security and Cooperation in Europe,

Russia has long been one of India’s top weapons suppliers. With President Vladimir Putin now in New Delhi, we take a closer look at just how Moscow has helped India with many defence deals — starting