North Korean dictator Kim Jong Un oversaw a test of a new high-thrust solid-fuel rocket engine, according to state media, working on weapons capable of striking the U.S. mainland. The test, reported ...

North Korean leader Kim Jong Un observed a test of a high-thrust, solid-fuel engine for weapons and hailed it as a development to boost the country’s strategic military capability, state media ...

North Korea announced on Sunday that its supreme leader, Kim Jong Un, personally oversaw the ground test of an upgraded solid-fuel rocket engine, one state media described as a leap in Pyongyang’s ...

Kim Jong Un watched a ground test of a solid-fuel missile engine and saw new tanks put through their paces recently, the country’s news agency said.

SEOUL, South Korea — North Korea said Tuesday it had conducted the final ground test of a solid-fuel rocket engine for a long-range ballistic missile in its latest advancement toward having an arsenal ...