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THE reusable main-stage booster from the SpaceX Falcon 9 rocket makes a successful landing on a platform in the Atlantic Ocean about 185 miles (300 km) off the coast of Florida April 8, 2016. | SPACEX/NASA
Space

Elon Musk Hails SpaceX Launch of Recycled Rocket as a Revolution in Spaceflight

Reusable booster rockets like SpaceX's Falcon 9 could dramatically reduce the cost of space travel.

March 31, 2017
11:05 AM EDT