“To date, 1.5 percent of all nuclear power plants ever built have melted down to some degree,” writes the nonprofit org One Earth. “Meltdowns have been either catastrophic (Chernobyl, Ukraine in 1986; ...

South Carolina Gov. Henry McMaster, who has championed the expansion of nuclear power, will be honored at the Sept. 15 ...

A top Iranian official has warned that European threats to reimpose sanctions on Iran could trigger the country to withdraw from an international pact that limits the spread of nuclear weapons.

Iran said Friday its foreign minister spoke by phone with his French, German and British counterparts to avoid the reimposition of U.N. sanctions over Tehran’s nuclear program, just days ahead ...

Iran's foreign minister claims the country can restart its nuclear program despite recent U.S. and Israeli strikes that damaged key uranium enrichment facilities.

The E3 letter follows months of diplomatic stalemate, particularly after a 12-day war between Iran and Israel in June.

Iran Started New Talks Over Its Nuclear Program. Here’s What to Know. Three European powers met with an Iranian minister to try to reopen negotiations over the limits of its nuclear activities.

Iran has long insisted its program is peaceful. The U.S., the IAEA and others say Iran had a nuclear weapons program up until 2003.

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

Iran confers with European nations on its nuclear program as sanctions deadline nears Iran has long insisted its program is peaceful, though it is the only non-nuclear-armed nation enriching ...