NASA now aims to launch the space shuttle Discovery on Tuesday, after engineers expressed confidence they had pinpointed the fuel-sensor problem that prevented the July 13 liftoff.
By PBS NewsHour
The space shuttle Discovery is set to rocket into orbit on July 13, two-and-a-half years after the Columbia disaster claimed the lives of seven astronauts, NASA announced Thursday.
The twin Mars rovers Spirit and Opportunity are continuing to send information to NASA scientists on Earth more than 10 months after their touchdown on the Red Planet.
NASA said Tuesday it is moving ahead with plans to send a robot to repair the Hubble Space Telescope, reversing a previous decision not to fix the orbiting telescope because of safety concerns.
More than two months after NASA announced it will no longer service the Hubble Space Telescope, scientists and the general public are still hoping the agency will change its mind.
NASA scientists announced Tuesday that they believe the Mars rover Opportunity has found what used to be a briny pool of standing water at least 2 inches deep.
NASA celebrated the successful landing of its second rover, Opportunity, Saturday night on the opposite side of Mars from its twin rover, Spirit.
NASA's rover Spirit has failed to transmit data from Mars for more than 24 hours in what mission scientists thought at first was a weather-related interruption but now believe could be a serious hardware or software problem.
By PBS NewsHour
NASA has said it will no longer service the Hubble Space Telescope, which has been relaying spectacular images of celestial objects from its orbital vantage point for more than ten years.
An independent board investigating the breakup of the space shuttle Columbia released its final report Tuesday morning.
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