Tucson-based small-satellite launch startup Vector has won a key U.S. patent for its small-rocket engine technology as it moves toward its first orbital flight later this year. Vector was awarded ...

The Earth is much larger than most people realize. You need to use engines if you want to efficiently navigate large sections of the planet. Everything from cars to planes relies on engines, but they ...

A US-based propulsion company has successfully launched and flown a new rocket powered by a unique rotating detonation engine. Although relatively small by rocket standards, the test could pave the ...