The NASA TRACERS mission is set to launch on Wednesday atop a SpaceX Falcon 9 rocket after SpaceX postponed Tuesday's launch due to "airspace concerns."

NASA's TRACERS mission blasted off July 23 on a Falcon 9 rocket with three other small agency satellites that will act as technology demonstrators to monitor space weather.

SpaceX plans a Falcon 9 launch of the SESO3b mPOWERmission rocket from Cape Canaveral Space Force Station on Monday afternoon.

SpaceX launched 28 Starlink satellites into low-Earth orbit from Cape Canaveral Space Force Station's Pad 40 in Florida at 5:01 a.m. EDT Saturday.

SpaceX has lined up an evening launch from Cape Canaveral on Monday, but the threat of thunderstorms could force a delay.

Live updates from the July 22 SpaceX SES O3b mPOWER satellite mission that launched a Falcon 9 rocket from Cape Canaveral Space Force Station in Florida.

An international crew is readying for Thursday's planned launch of a NASA mission to the International Space Station after arriving at the Kennedy Space Center.

As SpaceX prepares to send up its 19th Dragon spacecraft with humans on board, the Boeing Starliner—which has only completed half of a crewed mission to date—remains in fix-it mode.

Ax-4 is commanded by Axiom's director of human spaceflight and former NASA astronaut Peggy Whitson. Joining her are Shubhanshu Shukla of India, Sławosz Uznański-Wiśniewski from Poland, and Tibor Kapu, from Hungary. The three will be the first astronauts from each of their nations to launch on a mission to the ISS.

The Federal Aviation Administration said a regional power outage disrupted telecommunications at the Los Angeles Air Route Traffic Control Center, which forced postponing of the SpaceX Falcon 9 TRACERS launch on Tuesday.