North Korean leader Kim Jong Un has overseen the successful tests of two types of tactical ballistic missiles, including one with a “super-large conventional warhead” and an “improved ...

"Bottom line, the amount of HALEU the U.S. can get from its nuclear weapon stockpile is relatively small. It's going to need a bigger production line."The long-term solution is we have to have ...

Using images taken on July 26 by Planet Labs, a commercial satellite firm, the two researchers identified a construction project abutting a nuclear warhead storage facility known by two names ...

Up to now, the question of how many nuclear weapons the United States needs was largely answered by New START: The 2010 treaty limits both the United States and Russia to 1,550 “accountable” warheads ...

North Korea's state-run media says the country has successfully test-fired a new type of tactical ballistic missile tipped with a "super-large warhead." The Korean Central News Agency reported on ...

two American scientists had discovered a construction project abutting a nuclear warhead storage facility known as Vologda-20 and Chebsara, nearly 300 miles north of Moscow. The Burevestnik ...

North Korea tested new tactical ballistic missiles using super-large warheads and modified cruise missiles on Wednesday as leader Kim Jong Un called for stronger conventional weapons and nuclear ...

NAGASAKI--Although countries appear to be reducing their nuclear arsenals, the world now has more nuclear warheads available for deployment than five years ago, academics said. Nagasaki University ...

North Korea successfully tested a new ballistic missile capable of carrying a "super-large conventional warhead," Pyongyang's state media reported on Thursday. State-controlled KCNA news agency ...

SEOUL, Sept. 19 (UPI) --North Korea test-fired a new ballistic missile carrying a super-large warhead and an improved strategic cruise missile, its state-run media reported Thursday, as leader Kim ...