North Korean leader Kim Jong Un oversaw a test of a high-thrust solid-fuel missile engine, achieving a record 2,500 kilonewtons, as part of a five-year plan to upgrade strategic strike capabilities.

China-based researchers have reportedly tested a solid rocket engine under simulated pressures of 200 meters (656 feet) underwater. Typically, submarine-launched ballistic missiles (SLBMs) like the ...

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 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 ...

After suffering an embarrassing setback with the third launch of the New Glenn rocket, Blue Origin is hoping to get back on track with its partially reusable vehicle. Blue Origin completed an ...

SEOUL, South Korea (AP) — North Korean leader Kim Jong Un observed a test of an upgraded solid-fuel engine for weapons capable of reaching the U.S. mainland, and called it a significant development ...