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.

SpaceX technicians are attaching a Japanese communications satellite to the top of a Falcon 9 rocket ahead of a planned launch Thursday morning from Cape Canaveral.

A Russian Soyuz rocket lifted off from the Vostochny Cosmodrome in Russia’s Far East on Thursday carrying 28 satellites, including a pair of Russian mapping satellites, secondary payloads from Germany, Japan, Spain, South Africa, and a dozen Earth-observing CubeSats and eight commercial weather payloads for Planet and Spire.