Nuclear Weapon

Both the U.S. and Iran have said they will no longer adhere to the Obama-era Joint Comprehensive Plan of Action.

The Hawaii congresswoman and Democratic presidential candidate said Trump is "putting all Americans in greater danger."

The North Korean leader also reportedly commanded troops to be at "high alert posture" and to prepare to "defend the political sovereignty and economic self-sustenance of the country."

The yield of the first atomic bomb far surpassed any of the scientist's expectations—as did the fallout.  

Ayatollah Ahmad Khatami pointed out that nuclear bombs are "clearly" against Islamic (or Sharia) law.

An interceptor missile was fired from a U.S. Navy ship.

North Korea's nuclear facility will be a focus of any potential denuclearization talks.

Priscilla Moriuchi, a former U.S. National Security Agency officer, reveals how Kim Jong Un funds his nuclear and missiles program despite sanctions.

Moscow's top diplomat has told Europeans to be wary of siding with "the only state" to use nuclear arms in wartime.

The work reflects "the duality of creation and destruction as well as the beauty and disaster that our civilization has created."

Pyongyang's nuclear facilities must be properly monitored, rather than kept hidden.

The announcement came shortly after a 5.1-magnitude quake was detected near the country's known nuclear testing location.