A nuclear engineer explains how the International Atomic Energy Agency monitors peaceful nuclear programs, and why it’s ...

Wash., discusses the threat of Iran after U.S. strikes on its nuclear facilities and the potential of new leadership in Syria ...

Iran said it has no plans to resume nuclear talks with the US even as it prepares to hold discussions on its atomic program ...

Iran and Europe's most influential countries are set to hold nuclear talks in Istanbul this Friday to address the Islamic ...

Istanbul is once again poised to become a center of global diplomacy this week. On Friday, the city will host negotiations on ...

WASHINGTON — President Donald Trump tried to keep a fragile ceasefire between Israel and Iran in place Tuesday as reports ...

Europe’s top powers are preparing talks with Iran in Istanbul this week amid mounting pressure to revive nuclear negotiations or face renewed UN sanctions.

After more than two decades of hard-nosed diplomacy on Iran’s nuclear program, European negotiators are finding themselves ...

Officials in Israel are acknowledging that some enriched uranium may have survived the powerful U.S. strikes on Iranian ...

Tehran on Monday blamed European powers for the failure of the 2015 nuclear deal, accusing them of breaking their commitments ahead of renewed talks in Istanbul with Britain, France and Germany. The ...

Trump says U.S. strikes "obliterated" key Iranian nuclear sites, setting the program back decades, but sources say an early intel assessment says Iran could rebuild some of its capabilities in months.

The process of uranium enrichment increases the concentration of U-235, an isotope that can sustain a nuclear chain reaction.