WASHINGTON — Hundreds of United Airlines flights were disrupted on Wednesday evening as the carrier grappled with a major computer system outage. "The underlying technology issue has been resolved, ...

A computer controlling the Atlas V rocket’s countdown triggered an automatic hold less than four minutes prior to liftoff of Boeing’s commercial Starliner spacecraft Saturday, keeping the crew test ...

SpaceX made some progress on another test flight of the world’s most powerful rocket Tuesday, finally overcoming technical problems that plagued the program’s two previous launches. But minutes into ...