President Barack Obama says he is “not reconciled” to the idea of Iran obtaining a nuclear weapon within a year.

President Barack Obama says there is an avenue for peace for North Korea if Pyongyang works with other nations around the world to denuclearize the Korean peninsula.

Russian news agencies are quoting Prime Minister Vladimir Putin as saying that Russia is willing to abandon nuclear weapons if the United States and all other countries that have them do the same.

An audit of a nuclear weapons complex in South Carolina says the Savannah River Site did not meet several safety standards when constructing a new facility. The 31-page Department of Energy report released last month also found that one of the mistakes at the site near the South Carolina-Georgia border could have resulted in a spill of high-level radioactive waste.

Iran’s Supreme Leader Ayatollah Ali Khamenei has dismissed overtures from U.S. President Barack Obama, saying Tehran doesn’t see any change in American policy toward its government.