In 2011, after an earthquake and tsunami caused a meltdown at Japan’s Fukushima-Daiichi power plant, Gregory Jaczko, then the chairman of the U.S. Nuclear Regulatory Commission, had to worry about two things: whether radioactive fallout would harm the U.S. and whether a similar accident could befall an American plant. The answer to the first question […]

The Pentagon has outlined how it wants to revamp the US nuclear arsenal, and develop new low-yield bombs, largely in response to the threat from Russia. Reality Check looks into where the world’s nuclear weapons are located and who owns them. While the global stockpile of nuclear weapons has shrunk significantly since the Cold War, […]