Watch live: SpaceX rocket launch and attempted drone ship recovery landing

Launching rockets is a complicated thing. Landing them upright on a platform floating in the ocean? Well, that’s never been done before. SpaceX, the private space exploration company founded by billionaire Elon Musk, hopes to give it a try. If the weather cooperates, at 4:10 p.m. ET on Tuesday, SpaceX will launch its seventh mission […]