German publication Der Spiegel said leaked documents show the modernization of Russian nuclear infrastructure.

The United States and 10 allies say the military cooperation between Russia and North Korea flagrantly violates U.N. sanctions and has helped Moscow increase its missile strikes on Ukrainian cities.

North Korea has become a crucial source of missiles, munitions and even soldiers for Russia’s war in Ukraine as the sanctions-defying alliance between the two countries intensifies, according to a report by 11 countries,

Moscow’s dual campaign of intensified frontline attacks and bombardment of Ukrainian cities has further reduced the prospects for an end to the fighting.

Russia once struggled to field its own long range drones until Iran sold them the technology to build their own. Now hundreds hit Ukraine every night.

Washington will host a parade for the Army's 250th anniversary. It coincides with Trump's birthday. U.S. military parades are rare. Here's what they look like overseas, from France to Russia.

KYIV (Reuters) -Ukrainian President Volodymyr Zelenskiy said on Thursday that Russia was engaging in "yet another deception" by failing to hand over its peace settlement proposal ahead of a potential meeting between Moscow and Kyiv.

Inspectors from the U.N. nuclear watchdog have not seen signs of Russia moving to immediately restart the Zaporizhzhia nuclear power plant

Third-grader Stanislav Martynyuk looks extremely proud in his school photograph. Hands folded on his desk; his eyes framed with spectacles that make him look like a serious – and adorable – 8-year-old scholar.

Russian President Vladimir Putin paid tribute to former Prime Minister Shinzo Abe on Thursday, saying he knew the slain Japanese leader had dreamt of finally concluding a post-World War Two peace treaty.