North Korea said Thursday that U.S. sanctions against its leader Kim Jong Un crossed a “red line” and effectively marked a declaration of war.
North Korea’s foreign minister warned the United States on Tuesday that it would pay a “terrifying price” for spearheading international sanctions against Pyongyang, hours after Secretary of State John Kerry criticized the country’s nuclear program.
Undercover inspectors working for the U.S. Government Accountability Office were able to fool the United States’ top nuclear regulator into granting it licenses to acquire material necessary to build a “dirty bomb,” or crude nuclear device, according to a new oversight report.
White House plans for a radical shift in U.S. nuclear policy came under fire from the military leaders who voiced concerns to Congress on Thursday about adopting a so-called no-first-use weapons policy.
South Korean officials announced Wednesday that an advanced U.S. missile defense system will be set up in a southeastern farm town to protect against North Korea’s missile and nuclear threats.
Iran on Tuesday threatened to restart its contested nuclear program in violation of last summer’s international agreement if the United States and other countries fail to move forward with a massive sanctions relief program aimed at bolstering the Iranian economy, according to comments by a top Iranian leader.
U.S. lawmakers and foreign policy insiders are calling on the international community to re-open its “flawed” investigation into Iran’s past nuclear weapons research, according to conversations with multiple sources who say the extent of Iran’s past nuclear work is likely much larger than previously believed.
The calls to reinvestigate Iran’s nuclear work come on the heels of revelations by anonymous U.S. officials who said the Obama administration held onto evidence showing the Islamic Republic performed nuclear weapons research—a finding that contradicts findings by international monitors and longstanding claims by Iranian officials.
The federal program responsible for detecting and deterring the international smuggling of nuclear and radiological materials cannot measure its progress, a government watchdog says.
WASHINGTON (Reuters) – North Korea may be significantly expanding its nuclear weapons production and could have added six or more weapons to its stockpile in the last 18 months, a U.S. research institute said on Tuesday.
U.S. nuclear arms inspectors recently discovered that Russia is violating the New START arms treaty by improperly eliminating SS-25 mobile missiles, American defense officials said.