The steering is done by the four fins in the rocket’s tail. The Air Force did not explain how the fins are controlled from the ground, and admitted that the degree of control is “not great.” ...

Fins help with the stability of your rocket, so experiment to see which ... Cut about 11.8 inches (30 centimeters) of the foam pipe. Cut four slits about 3.1" (8 cm) long along the bottom of ...

The company has made changes to the vehicle, part of which blew up over the Caribbean in January during the seventh test flight. An issue during the countdown halted Monday’s launch.

Dan Gilbert's Rocket Companies plans to buy the online real estate brokerage firm Redfin, a $1.75 billion deal that would ...