SpaceX launched Falcon 9, carrying the European Commission's Galileo L13 mission Tuesday, to deliver its navigation satellite constellation to medium Earth orbit, despite questionable weather earlier in the day.

With the previous Galileo launch this year, SpaceX disposed of the booster, which means allowing it to drop unrecovered into the Atlantic Ocean, to allow for additional power to get the satellites into their intended orbit.

The last time we saw SpaceX launch Galileo satellites from Florida was back in late April, when SpaceX delivered satellites 29 and 30. The Galileo system is comparable to GPS, pro

SpaceX's Polaris Dawn crew has returned to Earth after five days in orbit, following a historic mission featuring the world's first commercial spacewalk. The Dragon capsule made splashdown off the coast of Florida shortly after 03:37 local time (07:37 GMT), in an event stream lived by SpaceX.