Iran and the United States are set to attend a fourth round of talks over Tehran's nuclear program on Sunday, as US officials have voiced increasing opposition to Iranian enrichment.

After three hours of talks in Oman on Sunday, the two sides agreed to meet again to work through the technicalities of a ...

By Parisa Hafezi DUBAI (Reuters) -Fresh talks between Iranian and U.S. negotiators to resolve disputes over Tehran's nuclear ...

The talks seek to limit Iran’s nuclear program in exchange for the lifting of some of the crushing economic sanctions the U.S ...