Live coverage: Two satellites lift off aboard Ariane 5

A communications satellite to broadcast high-speed Internet to remote parts of Australia and a new platform to beam television and multimedia programming across India are fastened to the top of an Ariane 5 rocket for launch Wednesday.

Engineers are resuming preparations to launch an experimental European re-entry test vehicle on a Vega rocket Feb. 11 after a two-month delay ordered by safety authorities to analyze risks posed to the public by the booster’s unique trajectory after liftoff from French Guiana.

SpaceX has postponed the launch of its next Falcon 9 rocket indefinitely. The rocket was originally scheduled take off Wednesday from pad 39A at NASA’s Kennedy Space Center in Florida with a top secret U.S. government payload named Zuma. A few minutes after launch, the Falcon 9’s first stage will return for a landing at nearby Cape Canaveral Air Force Station.