HOUSTON — India’s space agency says a valve failure prevented a navigation spacecraft launched more than a year ago from raising its orbit. In a Feb. 25 statement, the Indian Space Research ...

An Atlas 5 rocket carrying astronauts for the first time was fueled for blastoff Monday night to boost Boeing's long-delayed Starliner crew ferry ship into orbit for its first piloted test flight. But ...

NASA’s Juno spacecraft went into protective “safe mode” Tuesday night when an unusual condition of some sort was detected, triggering fault protection software that shut down the probe’s science ...