President Joe Biden has reiterated his fear that Vladimir Putin will carry out his nuclear threats after the president of Russia delivered an anti-Western speech.
Former President Donald Trump could face 10 years in prison if found guilty of violating the Espionage Act for allegedly obtaining top-secret White House documents relating to nuclear weaponry.
A top U.S. intelligence official said Russia's President Vladimir Putin could use nuclear weapons if he perceives that he is losing the war in Ukraine.
North Korea said on Tuesday that it was ready to use nuclear weapons against the United States and announced that it has restarted operations at its atomic bomb fuel production plants.
North Korea has built a 220-foot launch tower at its missile base. The new tower is capable of launching a longer-range missile than the rocket test-fired back in 2012.
North Korea claimed on Wednesday that it has been able to miniaturize nuclear warheads, making them small enough to fit on a missile. If verified, the development would "mark a major advance in the country's military capabilities and the threat it can pose to the world," the newspaper judged.
North Korea is able to hit the West Coast of the United States with a nuclear weapon mounted onto an intercontinental ballistic missile (ICBM), USNI News reported based on a Pentagon intelligence assessment.
Republican presidential hopeful Marco Rubio would "absolutely" defy U.S. allies to revoke any Iranian nuclear deal he might inherit from Barack Obama, the Florida senator said on Tuesday. The next president "should not be bound" by a potential agreement the Obama administration strikes with Iran, he added.
U.S. Secretary of State John Kerry and Iranian Foreign Minister Mohammad Javad Zarif on Wednesday concluded three days of negotiations on the Islamic Republic's nuclear program, and an unidentified senior State Department official said that both sides had inched closer to a deal.
The United States has no "monopoly" on nuclear weapons, the mouthpiece of North Korea's ruling Workers' Party warned on Friday as Pyongyang stepped up its rhetoric ahead of the annual joint U.S.-South Korean military exercises.
U.S. Secretary of State John Kerry joined the Geneva negotiations over Iran's nuclear program on Monday as a two-phase deal between Washington and Tehran seemed to be taking shape.
Washington and Tehran are trying to narrow their differences over Iran's nuclear program in talks set to begin Friday in Geneva. Negotiators failed to meet a self-imposed deadline in November to end the 12-year standoff over Tehran's nuclear capabilities. Top U.S. and Iranian diplomats will now again try to strike a deal.
The risk of nuclear war may be far lower now than in 1984 during the height of the Cold War, but the iconic Doomsday Clock stands once again at three minutes to midnight, in part because the Bulletin of Atomic Scientists thinks climate change poses new and significant risks to the future of our planet.
Negotiations to halt Iran's nuclear weapons program have been extended through late November after negotiators from Iran and six world powers failed to reach an agreement in Vienna by the Sunday deadline.
England is expected to face some tough consequences if Scotland's Sept. 18 referendum results in a split from the UK, a union that has lasted for about three centuries.
North Korean leader Kim Jong-Un issued a New Year speech on Wednesday that focused, among other things, on international relations as well as improving relations between North and South Korea. At the same time Kim touched on the possibility of a “deadly” nuclear standoff against the United States and South Korea, should the North be provoked.
