Turkish President Tayyip Erdogan said he was informed following the U.S. - Russia talks held earlier this week in Ankara that neither party would use nuclear weapons, according to a readout of his…

Ukrainian troops said they had retaken the key bastion of Lyman in occupied eastern Ukraine, a stinging defeat that prompted a close ally of Russian President Vladimir Putin to call for the possible…

The United States warned Moscow of "catastrophic consequences" if it uses nuclear weapons in Ukraine after Russia promised protection to Ukrainian regions it might annex following widely criticised…

North Korea on Tuesday fired what appeared to be a ballistic missile into its eastern sea, its second launch in a week, following leader Kim Jong Un’s calls to expand its nuclear weapons program in…

The International Atomic Energy Agency (IAEA) criticized Iran for stonewalling an investigation into past activities and jeopardizing important monitoring work, possibly complicating efforts to…