Tonight's launch marked the first-ever liftoff for this particular Falcon 9's first stage. That's a rarity for SpaceX, which is known for its rocket reuse; one of the company's Falcon 9 boosters has 27 flights under its belt.

SpaceX is preparing for a Falcon 9 launch of 28 new Starlink satellites on Thursday night from Florida. Here's how you can watch and stream the event.

May 11: SpaceX launches NASA’s TRACERS mission. A SpaceX Falcon 9 rocket will carry twin synchronized spacecraft to orbit as a part of NASA’s research on the impacts of solar activity on Earth. TRACERS will specifically study magnetic reconnection of Earth’s atmosphere caused by interaction with passing solar activity.