Maps show the damage from a 10-kiloton nuclear bomb, which is around the same size as the bomb dropped on Hiroshima, Japan, ...

Israel believes that enriched uranium stored deep underground at Iran's Isfahan nuclear facility—one of three sites targeted in last month's U.S. airstrikes—may still be retrievable, according ...

There are also tunnels deep underground at Isfahan. The United States hit surface targets at Isfahan with Tomahawk missiles and did not drop GBU-57s there, but it did use them at Natanz.

EXCLUSIVE: A series of nuclear fallout maps shows the damage an Iranian nuclear attack could have on five U.S. cities, with Iran's alleged future capabilities.