An curved arrow pointing right. North Korea recently claimed to test a hydrogen bomb. Some experts say it is more likely they tested a "boosted" atomic bomb. Although this type of bomb isn't ...

A hydrogen bomb—the type North Korea claims it tested—is many magnitudes more powerful than an atomic bomb, which was the type dropped on Hiroshima, Japan, during World War II, killing 70,000.

Pyongyang said it had tested a hydrogen bomb - a device many times more powerful than an atomic bomb. Analysts say the claims should be treated with caution, but its nuclear capability is clearly ...

The United Nations Security Council unanimously approved new sanctions against North Korea on Monday night in response to the country's recent test of a hydrogen bomb. This image made from video of an ...