Liftoff Aborted: SpaceX Attempt at Historic Landing Delayed

paceX had to scrub Tuesday's attempt to launch a Falcon 9 rocket carrying cargo to the International Space Station and make a historic rocket landing in the process. The landing experiment would have involved bringing the first stage of the two-stage rocket down onto a floating platform in the Atlantic Ocean, about 200 miles off the coast of Florida. Such a feat has never been done before. A successful maneuver would have marked a significant step toward making rockets more reusable...

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