Russia's hostility and alleged violation of a Cold War treaty has the U.S. considering placing nuclear weapons in the U.K.
In its propaganda magazine, the Islamic State group suggests the possibility of bringing a nuclear weapon to the United States through drug routes.
A month-long review conference on the 1970 nuclear Non-Proliferation Treaty ended in failure on Friday after its members were unable to overcome disagreements on an atomic weapons ban for the Middle East.
Congress may seek a serious review of the 1985 deal before deciding whether to extend it.
The Guard's navy may have taken the Maersk Tigris in an attempt to derail nuclear talks.
As tensions rise, Chinese experts have raised their estimates of Pyongyang's nuclear capability.
Mohammad Javad Zarif emphasized Iran could pull back from a deal on its nuclear program in the event world powers do not live up to their promises.
Some left-wing Democrats in Congress say American nuclear deterrence can be cheaper.
"We recognize that fundamental decisions have to be made now, and they don't get any easier as time goes by," the U.S. secretary of state says.
Legislation to give Congress a 60-day review option has been introduced in the Senate.
Russia's nuclear force is set for major upgrades over the next few years, per a new Russian military doctrine.
The deputy prime minister says Russia's new nukes cannot be stopped, but it may just be political bluster.
Rosatom said that cooperation between the two nations "cannot and should not depend on situational changes of political environment."
Without millions in funding from the U.S., experts worry Russia won't properly safeguard their nuclear stores
Russia and Iran want to expand joint operations and "confront the expansionist intervention" of the U.S., according to Iran.
The investigation comes as worries mount about nuclear safety and potential cyberattacks from North Korea.
Beijing has reportedly sent an official to a conference of nuclear powers in Vienna, despite declining to participate in the event.
According to claims on social media, ISIS is considering detonating the bomb in a public area.
A South Korean news report stated that the new plant was built inside the Yongbyon nuclear power plant and is of the same size as the old one.
The world’s six nuclear powers, aka the P5+1, and Iran face a Nov. 24 deadline to resolve a dispute over Iran's nuclear program.
"The message we have been given from the prime minister's office is very clear and precise," said a senior Indian Home Ministry official. "The prime minister's office has instructed us to ensure that Pakistan suffers deep and heavy losses."
India has been covertly expanding its nuclear weapons capability.