North Korea fires solid rocket motor. North Korea said Tuesday it had conducted the final ground test of a solid-fuel rocket ...

North Korea says it conducted the final ground test of a solid-fuel rocket engine for a long-range ballistic missile in its ...

UAlbany chemists created manganese diboride, a high-energy material with potential for rocket fuel and new technologies.

NewMarket Corp., a Richmond-based petroleum additives firm, is buying a Louisiana firm whose chemicals began fueling Air Force rockets in the 1950s.

The firm's international expansion reflects broader Ukrainian efforts to diversify defense production beyond domestic borders.

North Korean leader Kim Jong Un oversaw the final test of a powerful solid-fuel engine for intercontinental ballistic missiles, state media reported Tuesday.

Liquid uranium rockets could make the Red Planet a six-month commute.

North Korea has tested a new type of solid-fuel engine for intercontinental missiles, state media reported on Tuesday. State news agency KCNA reported that ruler Kim Jong Un personally attended the ...

SEOUL, South Korea (AP) — 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 ...

In this photo provided by the North Korean government, North Korean leader Kim Jong Un, right, watches a test of a new rocket engine at an undisclosed location, North Korea, Monday, Sept. 8, 2025.

The leader of North Korea, Kim Jong Un, personally attended an important missile test of a new rocket engine for long-range ...