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 ...

Friday’s meeting in Istanbul is seen as a critical step in reviving diplomacy, but whether it leads to full-scale ...

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 ...

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.

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

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

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.

Russian President Vladimir Putin met with Iran’s senior advisor Ali Larijani to discuss escalating Middle East tensions and the urgent ...

President Donald Trump dismissed an earlier Defense Intelligence Agency assessment as inconclusive and premature.