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

SpaceX will attempt to land its 470th Falcon booster during the Starlink 15-7 mission. It’s targeting liftoff from pad 4E at 10:13 a.m. PDT (1:13 p.m. EDT, 1713 UTC) on Saturday, June 28.

A Falcon 9 booster fresh from SpaceX’s factory briefly fired its nine Merlin main engines Tuesday on a Cape Canaveral launch pad, passing a key test before liftoff Dec. 4 with a Dragon supply ship heading for the International Space Station.

Running through a practice countdown to check systems before launching a NASA sample-return probe to Asteroid Bennu in exactly two weeks, an Atlas 5 successfully completed its Wet Dress Rehearsal today.