Iran's nuclear program has been targeted by diplomatic efforts and sabotage attacks over the last decade, with the latest incident striking its underground Natanz facility. The attack Sunday at Natanz comes as world powers try to negotiate a return by Iran and the U.S. to Tehran's atomic...

Iran and the five world powers that remain in a foundering 2015 nuclear deal, were holding their second formal meeting on Friday to take stock of efforts to build a foundation to bring the United States back on board. The delicate diplomatic dance that began in Vienna on Tuesday needs to...

A "sound plan" for a nationwide ceasefire in Yemen has been before Houthi leadership for "a number of days," but it appears the group is prioritizing a military offensive to take Marib, the U.S. special envoy on Yemen, Tim Lenderking, said on Friday. "I will return immediately when the...

Leading European and Arab world diplomats announced potential “small steps” Thursday toward reviving Mideast peace efforts after upcoming Israeli and Palestinian elections. The officials — from the U.N., EU, Egypt, Jordan, Germany and France — did not release any specific...