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

Energy & Environment Energy & Environment   The Big Story Trump administration eyes nuclear power on the moonTransportation ...

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

In an unusual turn, President Trump appeared on the White House West Wing roof, surveying the grounds and commenting about ...

Moscow downplayed President Trump's announcement that he'd ordered two nuclear submarines to "the appropriate regions" after heated Russian rhetoric.

The comments come as Trump's deadline for Russia to agree a ceasefire with Ukraine or face sanctions edges closer.

Russia said on Monday that everyone should be "very, very careful" about nuclear rhetoric, responding to a statement by U.S.

Former Navy Capt. and Pentagon adviser Gene Moran said submarine positioning is “rarely” talked about, and Trump may have used a routine movement to a strategic advantage in announcing nuclear ...