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."

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

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. Its next

Following a series of delays, SpaceX, Axiom Space, and NASA are now targeting 2:31 a.m. ET on Wednesday, June 25, (11:31 p.m. PT on Tuesday, June 24) for the launch of Axiom Space’s fourth private astronaut mission to the International Space Station (ISS). The new schedule was announced on Monday night.

SpaceX had reset the countdown clock for its next human spaceflight, but a NASA decision has forced another delay of the private Axiom Space Ax-4 mission to the International Space

Prepping for another possible delay, SpaceX said ahead of the launch that the weather forecast for Tuesday remained uncertain. "Weather is currently 40% favorable for liftoff, and conditions at ...

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.

SpaceX prematurely announced a launch window, and the time has come and gone since Starship was supposed to take flight in August.With months of delays ahead of them, the astronautics company is ...

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.