Live coverage: Indian PSLV launches with RISAT 2B radar satellite

Forecasters predict a 90% chance of good weather for liftoff of a United Launch Alliance Atlas 5 rocket from Cape Canaveral just after sunset Tuesday with a classified payload for the National Reconnaissance Office, the U.S. government’s spy satellite agency.

Projected weather impacts from Tropical Storm Maliksi passing over the Pacific Ocean south of Japan have prompted officials to push back the launch of an H-2A rocket and an Earth-imaging reconnaissance by one day to Tuesday, the Japan Aerospace Exploration Agency announced Saturday.

SpaceX’s Falcon Heavy rocket could blast off for the first time as soon as Feb. 6, company founder Elon Musk said Saturday, announcing the first official target launch date for the heavy-lifter’s maiden mission from NASA’s Kennedy Space Center in Florida.