Theresa May is prepared to use nuclear weapons 'as a first strike'
Defence Secretary Michael Fallon claimed the UK 'uses the deterrent every single day'.
Rex Tillerson: Iran could become the next North Korea
The Trump administration will not pass the buck to a future government, the secretary of state said.
US drops 'mother of all bombs': Here's a look at the world's biggest non-nuclear munitions
The GBU-43/B bomb is the US military's largest non-nuclear device.
China warns North Korea to stop nuclear provocations 'for its own security'
State-run The Global Times in China said the US is emboldened after the missile strike on Syria.
North Korean defector says Kim Jong-un will use nukes and needs to be 'eliminated'
Thae Yong Ho warns supreme leader "is a man who can do anything beyond the normal imagination'.
Is India considering changing its 'no first use' nuke policy?
Recently, former foreign secretary Shivshankar Menon said India's nuclear doctrine has 'far greater flexibility'.
Extent of Russian cover-up at Semipalatinsk nuclear weapon test site revealed
New Statesman reports advice given by scientists was ignored by Soviet authorities.
North Korea can conduct nuclear detonation within hours of Kim Jong-un's orders, warns South Korea
Seoul has issued the warning amid concerns that the North could conduct a nuclear test in the coming weeks.
US Secetary of State Rex Tillerson calls for cooperation with China in first visit to country
Talks were dominated by concerns over North Korea.
Eye in the sky: Japan launches spy satellite to watch North Korea amid rising nuclear threat
Japan's Radar 5 Information Gathering Satellite (IGS) was flown into space atop the H-IIA rocket.
Inside a top secret underground Cold War nuclear facility in Chongqing, China
The world's largest artificial cave was designed to withstand thousands of tons of explosives and 8-magnitude earthquakes, as well as atomic and hydrogen bombs.
Historic nuclear weapons explosions footage declassified and uploaded to YouTube
Around 10,000 films were created covering 210 nuclear tests conducted by the US, which are now being digitised.
Is the US going to war with North Korea? Secretary of State Rex Tillerson says military strike is 'an option'
Top US diplomat lands in South Korea to deliver a combative message to the hermit kingdom.
Chinese premier warns rising tensions in Korean Peninsula could lead to 'conflict'
Li Keqiang urges all parties concerned to resume talks to deescalate tensions relating to North Korea's nuclear threat.
Trump 'very angry' with North Korea missile launch but says too late to meet Kim Jong-un
He called Pyongyang's threats 'very dangerous' but said China can solve the problem 'very easily if they want to'.
Donald Trump signals desire to increase US nuclear weapons arsenals
The president said he was concerned with America falling behind Russia.
North Korea's missile launch shows it is confident of test-firing ICBM within a year – Report
Pyongyang might launch an ICBM sometime during a probable summit between the US and China, the report said.
The moment Trump learned of North Korean missile launch at Mar-a-Lago golf course
Behind the scenes imagery includes photo of the soldier who carries the US' nuclear codes.
US envoy rejects Duterte's accusation that Washington is building arms depot in Philippines
US would not build anything in the Philippines against the consent of Duterte's government, the envoy said.
Ex-Soviet leader Mikhail Gorbachev warns that countries are preparing for World War 3
'It all looks as if the world is preparing for war,' said the former Russian president.
Think tank says satellite images indicate North Korea has 'restarted plutonium production for nuclear weapons'
The Washington-based monitoring project 38 North say that a plutonium plant is 'very likely operating'.
Global destruction looms as Doomsday Clock moves closer to midnight
Clock predicting end of humanity moved 30 seconds closer to midnight
Watch Doomsday clock announcement live: How close is Earth to catastrophe?
Doomsday Clock expected to move closer to midnight as global threats loom.
North Korea ready to test fire ICBM 'at any time, at any place', warns official
Earlier this month Pyongyang warned its ICBM would 'send the shiver' down the US' spine.
Democrats introduce bill to limit President Trump's ability to use nuclear weapons
It will restrict Trump's ability to fire a nuclear first strike without a declaration of war by Congress.
Christian activists to argue in court nuclear weapons protest was 'integral' to their faith
Members of Put Down the Sword campaign group say demo was not illegal under Human Rights Act.
China develops new 'humpback' nuclear submarines with 'capability of striking US'
The 'Jin' Type 094A carries 12 submarine-launched ballistic missiles known as 'big waves'.
Climate change, Putin and nuclear weapons: Five main takeaways from Rex Tillerson's senate hearing
The Secretary of State nominee clashed with a GOP senator as environmental activists were escorted out.
Barack Obama told to take nuclear weapons off 'hair-trigger alert'
'Trump could launch 140 warheads in the time it takes to write 140 characters.'
South Korea to create special military unit to eliminate Kim Jong-un if he launches nuke attack
Defence chief in Seoul said the move will be part of broader defence measures to thwart increasing nuclear threats.