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 Kremlin said on Friday that Russia and the United States were making progress in peace talks on Ukraine and that Moscow was ready to continue working with the current U.S. team.

In August, a WC-135R aircraft, deployed in the United Kingdom, was tracked flying over the Barents Sea, west of Russia's archipelago of Novaya Zemlya, where Russia operates a launch site for testing the Burevestnik nuclear-powered cruise missile.

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.

The Ukrainian state railway company, Ukrzaliznytsia, a railway hub near the capital, Kyiv, was also hit, with damage caused to the depot and railway carriages. The were no reports on casualties from the attack in the town of Fastiv.

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.

NEW DELHI (AP) — Russian President Vladimir Putin held talks with Indian Prime Minister Narendra Modi on Friday at an annual summit and agreed to diversify mutual economic ties, as the United States presses India to revise its decades-old partnership with Russia.

Editor’s note: This article belongs to a two-part series about addressing the nuclear arms control trilemma. Read the second article in the series. The extended New START arms control agreement between the United States and Russia will expire in February.

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%.

Putin’s India visit explores defence, energy and trade ties amid US pressure on Russian oil. The summit could reshape India’s balance between Moscow and Washington.

Russia launched a barrage of drones and missiles toward Ukraine overnight into Saturday, temporarily cutting off power to a nuclear power plant in one of several regions that were attacked. The latest Russian attack targeted Ukraine’s energy infrastructure as the war-torn nation meets with the United States to secure peace and end the nearly four-year-old