U.S. officials briefed on the evolving intelligence assessment of the Iran bombing caution that the claim of total ...

Snapback” sanctions will be triggered by the end of August if Tehran fails to make concrete progress to limit its nuclear ...

When it comes to military actions that alter the course of history, few are so bold—or technically challenging-as recent American and Israeli attacks on Iran’s nuclear sites. At the center of this ...

Iran is threatening to raise uranium enrichment to weapons-grade levels and exit the Nuclear Non-Proliferation Treaty (NPT) ...

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

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.

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

A scholar of intelligence and strategy explains why battle damage assessments are so challenging – and why the process has ...

President Trump said his intelligence director was "wrong" when she testified Iran wasn't building a nuclear weapon.

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

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

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