The New START, signed by then U.S. President Barack Obama and Russian counterpart Dmitry Medvedev, limits each country to no ...

Russian President Vladimir Putin has announced that Moscow will adhere to nuclear arms limits for one more year after the last remaining nuclear pact with the U.S. expires ...

The ambassador, who was confirmed just in time for the UN General Assembly held in New York this week, added that Washington would “defend every inch of NATO.” ...

World leaders are gathering in New York as the United Nations marks its 80th anniversary. Follow for live coverage of the U.N. General Assembly.

The United States on Monday confirmed that it will defend NATO territory against intrusions in the face of repeated Russian ...

The United Nations regards violations of NATO airspace attributed to Russia as a threat to security in Europe, a senior ...

The U.N. ambassador's statement comes after Russian drones have crossed over the borders of multiple NATO members.

Russian and Ukrainian attacks have left at least three people dead as Ukrainian' President Volodymyr Zelenskyy prepares to ...

KYIV, Ukraine (AP) — Russia and Ukraine swapped accusations of deadly drone strikes on civilian areas of their countries ...

Prime Minister Donald Tusk said Poland is prepared to shoot down foreign aircraft that cross into its territory without authorization after a series of Russian incursions into NATO airspace.

In a clear warning to Russia, Poland says it will shoot down objects that violate Polish airspace and pose a threat to the ...

U.S. allies called an emergency meeting of the United Nations Security Council on Monday after a series of incidents raised ...