Live coverage: Two satellites lift off aboard Ariane 5

The launch of the European Commission’s Sentinel-1C satellite is now targeting no earlier than Wednesday, Dec. 4, from the European Spaceport in French Guiana. The next update on launch preparations are set to be published on Friday, Nov. 29.

After two of the last three Vega rocket launches ended in failure, Arianespace launched another Vega launcher from French Guiana at 9:50 p.m. EDT Wednesday (0150 GMT Thursday) with Airbus’s Pléiades Neo 3 commercial Earth observation satellite and five secondary payloads.

NASA officials plan to host a news conference at 2 p.m. EST (1900 GMT) Monday to update the status of the Perseverance rover’s mission on Mars. During the briefing, NASA is expected to release first-of-its-kind video captured by the mission during its descent to the Red Planet.