Following an aborted launch attempt last week in which several engines failed to ignite at liftoff, SpaceX’s Starship megarocket is back on the launchpad in Starbase, Texas. A 90-minute launch window opens at 6:45 p.

Airbus has completed a 24-hour, 24-minute nonstop test flight from Melbourne to Toulouse as part of Qantas' Project Sunrise programme.