Video: Astronaut Scott Kelly teaches orbital mechanics with Kerbal Space Program

Video shot and edited by Condé Nast Entertainment. Click here for transcript. (video link) If you’re a frequent Ars reader, you’ve likely heard of Kerbal Space Program, the space flight/space crashing/space explosion simulator that lets you create your own vehicles, then fly them into orbit and perhaps even to other planets. Though silly and fun, […]

SpaceX set to join rare company by re-flying an orbital spacecraft

Enlarge / With the static fire test of its Falcon 9 rocket complete, SpaceX is targeting June 1 for its next launch from Pad 39A. (credit: SpaceX) SpaceX took a big step toward a fully reusable launch system earlier this year by re-flying a used Falcon 9 booster, and it is making progress toward eventually […]