Q&A with Keith Gendreau, principal investigator of the first X-ray space communications experiment (members only)

Another batch of Starlink Internet satellites shared a ride into orbit with three of Planet’s SkySat Earth-imaging satellites on a SpaceX Falcon 9 rocket Saturday. The Falcon 9 lifted off at 5:21 a.m. EDT (0921 GMT) from pad 40 at Cape Canaveral Air Force Station.

A Russian Progress resupply and refueling freighter launched Thursday from the Baikonur Cosmodrome in Kazakhstan on top of a Soyuz booster. The cargo craft completed the fastest rendezvous in the history of the International Space Station program with a successful docking less than three-and-a-half hours later.

SpaceX aims to re-launch the Falcon 9 booster Monday that catapulted astronauts Doug Hurley and Bob Behnken toward the International Space Station in May, this time carrying a South Korean military communications satellite while pursuing a record for the quickest turnaround time between flights of an orbital-class rocket stage.