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

This is the launch timeline to be followed by the Atlas 5 rocket’s ascent into space from Cape Canaveral with NASA’s Mars 2020 mission.

SpaceX’s next Falcon 9 rocket arrived at launch pad 39A Thursday for a customary hold-down engine firing. Liftoff from Florida’s Space Coast is targeted for Sunday, weather permitting.

The Falcon Heavy engine test firing at launch pad 39A seen in 4K high resolution video. The engines fired at 12:30pm EST (1730 GMT) on 24 January 2018 as part of a crucial pre-launch test.