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

The world is moving closer to the brink of nuclear war in alarming ways that are more dangerous and harder to anticipate than ...

President Donald Trump has warned Iran not to attempt to rebuild their nuclear facilities, after he claimed recent U.S. military strikes in June "completely destroyed" Iran's sites.

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

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 ...

President Trump is doubling down on the administration’s claim that U.S. military strikes “completely destroyed” Iran’s three ...

Trump confirmed that US airstrikes completely destroyed three Iranian nuclear sites in June, warning new facilities would ...

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.

Core components of Iran’s nuclear effort were damaged but not destroyed by U.S. airstrikes on three key facilities, say ...

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