Russian President Vladimir Putin watched Thursday as the country's armed forces tested missiles that can carry thermo-nuclear warheads.

North Korean and US officials on Saturday gathered for new nuclear talks in Stockholm after months of deadlock and Pyongyang's defiant test of a sea-launched ballistic missile this week.

Qatar has underlined the importance of applying the highest standards of nuclear safety by the country that establishes nuclear facilities in accordance with the IAEA's approved work ...

Russia's first-floating nuclear power plant has arrived to its permanent base near an isolated Russian town across the Bering Strait from Alaska, Russian state nuclear energy company Rosatom said on Saturday.

Moscow and Tehran on Monday blamed US policies for tensions in the Middle East while Russia said it welcomed French efforts to save the Iran nuclear deal.

Russia on Monday said radioactive isotopes were released in a recent accident at an Arctic missile test site that caused widespread alarm as authorities kept details under wraps.

North Korean leader Kim Jong Un supervised a ‘new weapon’ test, state media reported Sunday, the latest in a series of launches that US President Donald Trump has played down as Washington ...

Two people died in an explosion at a military base in the Russian far north Thursday that caused a brief spike in radiation, the second accident to hit the country's facilities in a week.

German Foreign Minister Heiko Maas held talks Monday with his Iranian counterpart Javad Zarif on the future of the 2015 nuclear deal which he described as ‘extraordinarily important’ for Europe.

South Korea President Moon Jae-in on Monday urged the US and North Korea to quickly resume denuclearisation talks after their Hanoi summit last week ended without a deal.

The North Korean special representative for the US arrived in Beijing on Tuesday, apparently en route to Vietnam to meet his Washington counterpart ahead of a second summit ...

The planned second summit between US President Donald Trump and North Korean leader Kim Jong Un needs to make tangible progress on Pyongyang's nuclear weapons if it is to avoid being dismissed as ‘reality TV’ ...