With thousands of advanced centrifuges on standby, Tehran says it is now spinning more, which could increase its stockpile of near-bomb-grade atomic fuel.

Iran announced Friday it was activating new advanced centrifuges – which enrich uranium for the country’s nuclear program – after the United Nations’ nuclear watchdog criticized the country for not cooperating with the agency.

A rebuke of Iran led by the U.S. and its close allies at the global nuclear watchdog agency has drawn a vow by the Islamic republic to further ramp up uranium enrichment.

So far, direct attacks between the two adversaries have been precise and calculated. Whether that lasts is another question.

Iran said it will increase the number of centrifuges in its nuclear program in response to a censure by the United Nations’ nuclear watchdog, ratcheting up tensions with the West just days after it signaled a willingness to ease them.

Iran said Friday it had begun commissioning new advanced uranium-enrichment centrifuges after it was censured by the International Atomic Energy Agency.

Iran said Friday it would launch a series of "new and advanced" centrifuges in response to a resolution adopted by the UN nuclear watchdog that censures Tehran for what the

The UN nuclear watchdog's board of governors passed a resolution chiding Iran's poor cooperation with the agency after hours of heated exchanges, diplomats told AFP late on Thursday, a move

The U.N. nuclear watchdog's 35-nation Board of Governors passed a resolution on Thursday again ordering Iran to improve cooperation with the agency and asking the watchdog to issue a "comprehensive" report on Iran by the spring,