North Korea's Latest Blast Hints at Thermonuclear Weapon

A definitive assessment is probably still weeks or even months away, but the size of the blast from North Korea's sixth and latest nuclear test suggests the weapon may be thermonuclear or use such fuel, analysts say.

North Korea turns off nuclear reactor 'to extract fuel for warheads

North Korea Missile Tests - Bloomberg

Even a Small Nuclear Test by North Korea Would Be a Big US Worry - Bloomberg

Kim Jong Un wants North Korea to make more nuclear material for bombs - ABC News

World War 3 fears as North Korea bomb 16 times more powerful than one used in Hiroshima, World, News

North Korea Claims Successful Hydrogen Bomb Test : The Two-Way : NPR

North Korea's nuclear tests by the numbers - Washington Post

How the North Korea Nuclear Missile Threat Keeps Growing Under Kim Jung Un - Bloomberg

You Might Survive a Nuclear Blast—if You Have the Right Shelter