When observed from space at night, North Korea (the dark spot in the center) is difficult to distinguish. Photo: NASA.

Intelligence experts have been unnerved by North Korea’s recent Intercontinental Ballistic Missile (ICBM) tests amid a tense and uncertain geopolitical environment. But according to one analyst, the U.S. government should be equally concerned about the potential of a nuclear Electromagnetic Pulse (EMP) attack from space.

Read more on The Hill.