Russia and China held talks in Moscow this week on missile defence and strategic stability and agreed to strengthen cooperation in those areas, the Russian Foreign Ministry said on Thursday.

Moscow suggests that it will carry out its own nuclear tests if the US resumes testing under Donald Trump’s orders.

China is ready to deepen cooperation with Russia in energy, agriculture and other investments, Premier Li Qiang said during a ...

All nuclear-armed countries need to ensure that their arsenals can devastate as they’re expected to, so testing continues -- just not in a mushroom-cloud sort of way.

Trump's comments last month sparked fears of a new nuclear arms race and concerns major powers would restart full testing.

President Donald Trump has alleged that Russia and China have conducted underground nuclear tests in secret, and said the United States would ­follow suit.

A huge explosion has been captured on camera in the Russian port of Tuapse, in what was believed to be a Ukrainian attack.