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....

NATO will join the U.S.-led coalition fighting ISIS, alliance chief Jens Stoltenberg said Thursday, ahead of a summit with President Donald Trump. "This will send a strong political message of NATO's commitment to the fight against terrorism," Stoltenberg said. He stressed this did not...

OPEC and non-member oil producers are gearing up to extend output cuts Thursday, possibly by as long as 12 months, to help clear a global stocks overhang and prop up crude prices. The Organization of the Petroleum Exporting Countries is to discuss in Vienna whether to prolong an accord...

British police have stopped sharing information about a suicide bombing in Manchester with U.S. authorities following leaks of details of the investigation that has angered the government, the BBC said Thursday. The British government and police force have criticised the leaks which they say...