The head of the U.N. nuclear watchdog agency says Iran's enriched uranium "is still there," as he stresses the urgency of diplomacy to avert a U.S.-Iran war.

US strikes on three Iranian nuclear sites in June slowed down the nuclear program, likely buried Iran’s stockpile of highly enriched uranium, and effectively paused enrichment activities. The attacks prompted Iran to reevaluate its nuclear strategy, and ...

President Donald Trump issued a stern warning to Iran Monday, threatening military action if the country attempts to rebuild its nuclear weapons program. President Trump says he would use military force, saying that the US could carry out strikes if Iran ...

The United States is assembling a “massive armada” near the Islamic Republic of Iran. Negotiations between the two countries are stalemated, and President Donald Trump has warned that “time is running out” for a deal to be reached over Tehran’s ...

The sponge metaphor first emerged in 1978 when the Air Force’s top general announced a new plan to base cutting-edge nuclear missiles in the Southwest. The “Missile, Experimental,” or MX, a powerful intercontinental ballistic missile, or ICBM, could ...