A U.S. military investigation on Thursday acknowledged that more than 100 civilians were killed in a U.S. air strike on a building in the Iraqi city of Mosul in March during operations against ISIS militants. The probe concluded that the U.S. strike in the Al-Jadida district inadvertently...

Senator Bob Corker, the Republican chairman of the U.S. Senate Foreign Relations Committee, said on Thursday the panel could take up a bill to impose new sanctions on Russia as soon as this summer. Corker said he expects U.S. Secretary of State Rex Tillerson to testify to the committee...

Barack Obama received a rock-star welcome in Berlin as he appeared at a public debate Thursday with Chancellor Angela Merkel, whom he praised as one of his "favorite partners" during his presidency. Security was tight in front of the German capital's Brandenburg Gate, where the former U.S....

French President Emmanuel Macron pressed Europeans to strengthen security cooperation and intelligence-sharing after a deadly attack in Manchester as he arrived in Brussels for a meeting of the NATO military alliance Thursday. The 39-year-old president, a newcomer to international diplomacy,...