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.

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.

Live updates from the July 21 late-countdown scrub of a SpaceX SES O3b mPOWER launch attempt from Cape Canaveral Space Force Station in Florida.

NASA has elected to find new sealant material to address helium leaks and explore several hardware changes to deal with what was determined to be overheated thrusters.

A power outage in the Santa Barbara area caused a major telecommunications disruption and forced the rescheduling of a planned SpaceX launch Tuesday afternoon. According to the Federal Aviation

SpaceX has lined up an evening launch from Cape Canaveral on Monday, but the threat of thunderstorms could force a delay. A Falcon 9 rocket on the mPOWER-D mission with two more communication satellites for Luxembourg-based SES is targeting liftoff from Cape Canaveral Space Force Station’s Space Launch Complex 40 during a two-hour launch window that opens at 5:12 p.

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.

A draft executive order viewed by ProPublica directs the secretary of transportation to “use all available authorities to eliminate or expedite” environmental reviews for launch licenses — a change Elon Musk’s SpaceX and others have long sought.