A private Chinese firm has successfully launched the world's largest solid-propellant rocket for a second time. The company, Orienspace, launched the gigantic 30-meter Gravity-1 rocket from a barge in ...

Gravity-1, the world's most powerful solid-fuel rocket, launched from the deck of a ship on Oct. 10, 2025. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

A new boron-rich compound, manganese diboride, delivers much higher energy density than current solid-rocket materials while remaining stable until intentionally ignited. Its power comes from an ...

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 ...

Firehawk Aerospace test-fires a GMLRS-equivalent hybrid rocket engine from a purpose-built, mobile platform. (Firehawk Aerospace) Firehawk Aerospace recently conducted its first flight test of a ...

Modern spaceflight rests on a deceptively simple idea: a machine that carries its own fuel and oxidizer, then hurls exhaust backward fast enough to push itself forward. The person who first turned ...