SpaceX’s 10-Story Re-useable Grasshopper Rocket Takes a Bigger Hop

SpaceX is developing the “Grasshopper” reusable vertical takeoff, vertical landing rocket. Back in September, the 32-meter- (106-ft-) tall Grasshopper made a tiny hop – barely lifting off the pad just to test-fire its engines. But now the Grasshopper has made a second, bigger hop. Over the weekend, Elon Musk quietly tweeted a link to a [...]