Watch the Falcon Heavy fire up its engines

The core booster from the Falcon Heavy rocket that launched Thursday from NASA’s Kennedy Space Center in Florida tipped over in rough seas after landing on an offshore drone ship, SpaceX officials said Monday.

The final flight of Space Shuttle Discovery seen from the ET-Cam mounted near the top of its fuel tank. Mission STS-133 lifted off from the Kennedy Space Center on February 24, 2011. (Membership required)

The Starlink 15-11 mission added another 27 broadband internet satellites to the low Earth orbit megaconstellation. Liftoff from pad 4E at Vandenberg Space Force Base happened at 3:40 a.m. PST (6:40 a.m. EST / 1140 UTC).