In a previous landing, the reusable main-stage booster from the SpaceX Falcon 9 rocket makes a successful landing on a platform in the Atlantic Ocean, April 8, 2016 in this handout photo provided by SpaceX. (Photo by SpaceX/Reuters)

SpaceX makes another successful landing

SpaceX pulled off another rocket landing Friday, the third in just under two months.The first-stage booster of the unmanned Falcon rocket settled vertically onto a barge 400 miles off Florida's east coast, eight minutes after the late afternoon liftoff. Cameras on the barge provided stunning, real-time video."Falcon 9 has landed!"...