SEOUL, South Korea (AP) — North Korea said Tuesday it will escalate production of nuclear weapons material, including r...

PYONGYANG, North Korea (AP) — Defying U.N. warnings, North Korea on Tuesday conducted its third nuclear test in the rem...

By GLORIA RIVIERA and AKIKO FUJITA (ABC NEWS) -- North Korea says it has successfully tested a miniaturized nuclear device Tu...

SEOUL, South Korea (AP) — North Korea's top governing body warned Thursday that the regime will conduct its third n...