NASA: Weather looking good for Thursday launch try

Discovery's astronauts are back at Kennedy Space Center for a launch attempt.

Good weather is forecast. Now all NASA needs this week is a smooth countdown all the way to zero.

NASA's countdown clocks will start ticking this afternoon at 3 p.m. EST. Liftoff is scheduled for 4:50 p.m.EST (2150 GMT) Thursday.

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Discovery should have taken off on its final voyage in November. But fuel tank cracks kept the shuttle grounded for four months. The shuttle had to be returned to its hangar for the unprecedented repair work.

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FOR SUBSCRIBERSAbdul El-Sayed tries to woo MAHA voters as Democrats seek inroads with RFK’s supporters

FOR SUBSCRIBERSKratom-like substances are popping up in a typically benign supplement

FOR SUBSCRIBERSGOP super PAC increases its spending for Sen. Jon Husted in tough Ohio race

FOR SUBSCRIBERSRecords reveal tumultuous marriage between slain New York Times executive and wife

FOR SUBSCRIBERSFrom clean energy warrior to ‘wall of shame,’ James Talarico reverses on a fossil fuel money pledge

FOR SUBSCRIBERSCongressional staff planned official trip with luxury stops in Italy and France weeks before election

FOR SUBSCRIBERSA harrowing ordeal aboard an Israel-bound plane

FOR SUBSCRIBERSOpenAI CEO Sam Altman to skip congressional hearing on rogue AI agents

FOR SUBSCRIBERSKey DOJ lawyers departed Trump ‘grand conspiracy’ probe amid pressure to produce, source says

FOR SUBSCRIBERSTrump’s new AI chatbot often links to a site launched under Clinton 26 years ago

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FOR SUBSCRIBERSThis Paralympian has two goals: Win medals and give away $500,000 to her teammates

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FOR SUBSCRIBERSThe debate over AI’s future rages on both coasts

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After returning from the International Space Station, Discovery will be retired and sent to a museum. Its final destination is expected to be the Smithsonian Institution.

Only three shuttle missions remain.