Falcon 9

Falcon 9 rocket ready for all-important return to service Saturday

SpaceX rolled a fully-assembled Falcon 9 booster out of its hangar and lifted it on top of a launch pad Friday for the first time since an explosion grounded the commercial rocket last year, setting the stage for a one-second launch window Saturday to take off from California’s Central Coast and deploy the first 10 satellites in orbit for a $3 billion upgrade to Iridium’s globe-spanning message relay network.

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Privately-developed rocket aces abort test

Blue Origin, the space company founded by Amazon.com’s Jeff Bezos, launched a dramatic flight test over West Texas on Wednesday to verify the performance of an escape system on its reusable suborbital launcher designed to loft space tourists, researchers and commercial astronauts on short rides to the edge of space.