A nuclear electromagnetic pulse (EMP) could disrupt modern life in seconds—but how exactly would it affect our power grid? This video breaks down the science behind a nuclear EMP, how it interacts ...

Sen. Ted Cruz (R-TX) is raising concerns that a nuclear-armed Iran could easily kill millions of Americans with a surprise attack on the U.S. electric grid, one of a handful of worries the Pentagon ...

The widespread blackouts that recently brought parts of Spain and Portugal to a standstill triggered global speculation: was it an electromagnetic pulse (EMP) attack? Though authorities later ruled ...