Watch a 4K video replay of Falcon Heavy’s static fire test (members only)

SpaceX’s Falcon 9 rocket lifted off Sunday from Vandenberg Air Force Base in California and carried 10 Iridium communications satellites toward a perch in low Earth orbit, then the launcher’s first stage nailed a landing on a platform positioned in the Pacific Ocean.

Iran’s Revolutionary Guard Corps — a branch of the country’s armed forces — launched a small military spacecraft into orbit Wednesday, ending a string of rocket failures in the nascent Iranian satellite program.

A forecast of low ceilings, thick clouds and rainy weather Thursday has led NASA and Northrop Grumman officials to push back the launch of an Antares rocket and a space station-bound supply ship from Virginia’s Eastern Shore to Friday morning.