CAPE CANAVERAL, Fla. — Wind gusts and sticky fuel valves conspired to keep NASA’s new Orion spacecraft on the launch pad Thursday, delaying a crucial test flight meant to revitalize human exploration.

NEW YORK—NASA delayed the planned Feb. 12 launch of the Space Shuttle Discovery by at least a week to allow extra time to evaluate vital fuel valves on the spacecraft. Discovery was slated to deliver ...

NASA engineers are testing a leaky helium valve on thespace shuttle Discovery to see if the shuttle can still launch to theInternational Space Station next month or if it must stand down for repairs.

Boeing's Starliner still has no new launch date due to its faulty valves. The capsule remains under repair. "As Boeing teams continue to work around the clock to return functionality to a number of ...

Forbes contributors publish independent expert analyses and insights. News and opinion about video games, television, movies and the internet. Why does it feel like Alyx might get delayed? Well, we ...

Thisstory was updated at 10:20 p.m. EST. NASA hasdelayed the planned Feb. 12 launch of the space shuttle Discovery by at least aweek to allow extra time to evaluate vital fuel valves on the spacecraft ...