When most people think of rockets, they likely imagine something like SpaceX's Raptor engine, or they might recall the Apollo 11 Saturn V rocket that took astronauts to the Moon. Rockets aren't ...

It reached an altitude of 192 miles before falling back to Earth, making it the first private company to put a rocket into space. It was, as one observer described it, the “Kitty Hawk of the ...

Key point: Today, the Gyrojet weapons are collector’s items. In the 1960s an American engineer and his partner invented a gun that fired rocket-propelled ammunition. Yes, rocket-propelled. Like ...