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 'H-bomb': How the recent blast compares to past tests

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

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Did North Korea Just Detonate a Hydrogen Bomb? – National Geographic Education Blog

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What To Do in Case of a Nuclear Attack - How to Prepare for a Nuclear Bomb

Why It's Scary If North Korea Has An H-Bomb - AskMen

The forgotten nuclear threat of North Korea - New Statesman