On Tuesday, SpaceX delivered Christmas gifts, snacks, and supplies to the International Space Station and received a gift in return: the company’s 100th successful rocket landing. The Falcon rocket’s predawn liftoff from NASA’s Kennedy Space Centre was barely visible in the fog and mists, as it hoisted a Dragon capsule filled with more than 6,500 pounds (2,950 kilogram’s) of gear for the station’s seven astronauts. Several minutes later, the first-stage booster landed upright on an ocean platform, exactly six years after Elon Musk’s firm achieved its first booster touchdown in 2015. Read more here