Donald Trump is displaying clear signs of "mental decline" as mounting evidence suggests he's "losing it every day," his ...

President Trump sparked amusement and bewilderment during a White House rooftop walkabout, joking about installing nuclear ...

Russia urged caution after Trump claimed he redeployed nuclear subs in response to provocative remarks by a senior Russian ...

The Kremlin has tried to calm tensions in a feud between Trump and Medvedev that spiraled into nuclear threats.

Fox News chief Washington correspondent Mike Emanuel reports on President Donald Trump's goal to put a nuclear reactor on the ...

“In a way, Trump is trying to play a game,” the director of International Security at the Royal United Services Institute ...

Donald Trump was captured on video making a bizarre arm gesture moments after he appeared to claim he wanted to install ...

Donald Trump made a rather peculiar move while on a rooftop walkabout at the White House, following what seemed to be a claim ...

Russia has abandoned a long-held nuclear "freeze" after Donald Trump deployed submarines near Vladimir Putin's coasts. Moscow ...

President Trump joked about installing ‘nuclear missiles’ during a White House roof inspection of his $200 million ballroom ...

Donald Trump has been accused of nuclear posturing, after claiming that he’d ordered two US submarines to move closer to ...

The navies of Russia and China are conducting joint artillery and anti-submarine drills in the Sea of Japan, near the Russian ...