Western powers are preparing to push the U.N. nuclear watchdog's board at its next quarterly meeting to declare Iran in breach of its non-proliferation obligations for the first time in almost 20 years,

Saudi Arabia reportedly gave a stark warning to Iran to take President Donald Trump’s nuclear deal or face the consequences

Iran denies Austrian report on nuclear weapons, continues negotiations with US on nuclear program, amid international scrutiny.

As uranium enrichment remains the key sticking point in US-Iran nuclear negotiations, new proposals from Oman -- including a regional consortium -- are testing the limits of compromise. With no date set for further talks,

Some changes should be easy for Iran to accept. In the JCPOA, Iran essentially agreed to end any near-term option for a plutonium-based bomb by modifying its reactor capable of producing weapons-usable plutonium and to refrain from any spent-fuel reprocessing work.

Western powers are preparing to push the U.N. nuclear watchdog's board at its next quarterly meeting to declare Iran in breach of its non-proliferation obligations for the first time in almost 20 years,