The American reaction to an attack is classified, but details made public paint a harrowing picture.

The US airstrikes on Irans nuclear facilities may not spark a Chernobyl-style disaster, but experts warn of real risks closer ...

But the hits on Natanz, Isfahan and Fordow — Iran’s most secure nuclear enrichment facility, which was buried 300 feet inside a mountain — shouldn’t spark panic over possible nuclear fallout.

But the hits on Natanz, Isfahan and Fordow — Iran’s most secure nuclear enrichment facility, which was buried 300 feet inside a mountain — shouldn’t spark panic over possible nuclear fallout.

Attacks on nuclear sites in Iran have caused a sharp degradation in nuclear safety Director General of the International Atomic Energy Agency (IAEA) Rafael Grossi, speaks during a United Nations ...

USA's Deadly Nuclear Weapons Testing Legacy In Marshall Islands Worse Than Previously Thought For over a decade, the populated islands were exposed to high levels of radiation and nuclear fallout.

Are there fallout shelters left in Chicago? There are plenty, but let’s just say they’re not ready for a nuclear apocalypse.