Chinese startup Mega Engine advances reusable staged-combustion rocket engine A new Chinese commercial rocket engine startup has conducted a successful long-duration hot fire test of a closed-cycle ...

The Air Force Research Laboratory recently completed a supersonic test event that, according to official accounts, marked progress on a new rocket engine design intended for future high-speed weapon ...

SEOUL, South Korea (AP) — North Korean leader Kim Jong Un has overseen a ground test of a new rocket engine and ordered a satellite launch preparation, state media said Tuesday, an indication the ...