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.

(Reuters) -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.

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

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.

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.

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.

German Chancellor Friedrich Merz has pledged to help Ukraine develop its own long-range missile systems that would be free of any Western-imposed limitations on their range and targets.

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