Q&A with Mike Laidley, vice president of Orbital ATK’s Next Generation Launch program (members only)

A collection of pad photos from the United Launch Alliance Atlas 5 rocket flight to deploy the Orbital ATK Cygnus commercial cargo-delivery spacecraft for the International Space Station.

In this time-lapse video, a Falcon Heavy rocket is lifted into position atop launch pad 39A at the Kennedy Space Center in readiness for a pre-flight test firing of its 27 Merlin main engines.

China’s Long March 5 rocket is counting down to liftoff Sunday from the country’s tropical island space center with a high-power, electrically-propelled communications satellite.