Launch of an Atlas 5 rocket from Cape Canaveral with a U.S. Air Force infrared surveillance satellite was scrubbed Thursday evening after engineers encountered a balky valve associated with the first stage’s liquid oxygen system. Another launch opportunity is available Friday at 7:48 p.m. EST (0048 GMT).
Pioneering spacecraft from NASA and the Japanese space agency promise to reveal two unexplored asteroids later this year, officials said Wednesday, beginning surveys that will culminate in daring descents to capture samples for return to Earth, where eager scientists await a hands-on look at the specimens.
Boeing and SpaceX hope to launch commercial crew ferry ships on long-awaited test flights later this year, but both companies face major challenges getting the spacecraft certified before late 2019 when seats aboard Russian Soyuz spacecraft will no longer be easily available for NASA space station crews, officials told lawmakers Wednesday.
The U.S. Air Force’s fourth new-generation SBIRS missile warning satellite headed for geosynchronous orbit will wait at least one more day for its ride to orbit. The liftoff of an Atlas 5 rocket from Cape Canaveral was scrubbed Thursday after the launch team encountered a troublesome fill-and-drain valve during the countdown.