Q&A with Greg Wyler, founder and chairman of OneWeb (members only)

Video from the SpaceX webcast, featuring the launch of the SES 10 satellite atop a previously-flown Falcon 9 rocket, followed by a successful barge landing by the first stage.

After a two-month delay to resolve a technical concern, Rocket Lab plans to launch its first commercial mission as soon as June 22, U.S. time, from the company’s rocket base in New Zealand, the company announced Friday.

China added a fourth craft Tuesday to a network of geostationary data relay satellites tasked with keeping mission control in steady contact with Shenzhou crew capsules and a planned space station.