Rafael Grossi, head of the International Atomic Energy Agency (IAEA), said on Friday that the number of attacks on the ...

The hugely delayed effort to return the Russian Navy’s nuclear-powered battlecruiser Admiral Nakhimov to service is finally ...

Despite more than a year of warnings that critical Ukrainian nuclear energy infrastructure sites are vulnerable to potential ...

Russia has completed the physical launch of the second nuclear reactor onboard its heavy nuclear missile cruiser Admiral ...

Russian President Vladimir Putin has submitted a security guarantee agreement with Belarus to the State Duma for ratification ...

Amid a tsunami of early shakeups in the new administration, President Donald Trump has twice this month suggested ...

The head of the U.N. atomic watchdog says he will visit Moscow in the coming days to speak with officials about Russia’s ...

Since the invasion of Ukraine, the Kremlin appears to have made conventional weapons its greater priority—at least for now.

Ukraine's parliament is expected to vote next week on a law needed to build and start up two new nuclear power units, an ...

Moscow is growing its footprint at the top of the world, working with China—and leaving the U.S. behind.

One of Moscow's nuclear icebreakers has sustained significant damage after colliding with a cargo ship in the Kara Sea.

The former head of Ukraine’s military intelligence recalls how thousands of tactical nuclear weapons were removed from its ...