End Of An Era: Space Shuttle Lands In Florida

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Atlantis lifts off from Kennedy Space Center on its final flight on July 8. There are plans for a next-generation space vehicle, but some space experts aren't sure if the vehicle will ever be completed. Tony Gray and Tom Farrar/NASA hide caption

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Questions Hang Over NASA's Post-Shuttle Future

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A large section of Discovery's nose, called the forward reaction control system, which helped steer the shuttle while in orbit, was removed in March. The spacecraft will be cleaned and detoxified before being put on display in museums. Jim Grossmann/NASA hide caption

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Ready For Retirement, Shuttles Get A Deep Clean

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A worker tests components on a model of the space shuttle before wind tunnel testing. NASA hide caption

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Crafting Shuttles: Labor Of Love, Vanishing Art

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The shuttle, as seen in this mid-1970s illustration, was envisioned as a low-cost, quick-turnaround truck to space. NASA hide caption

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Shuttle Legacy: Grand, Though Not What Was Planned

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Thousands Of Reporters Converge On Space Center

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NASA engineer Ernie Wright looks on as the first six primary mirror segments for the James Webb Space Telescope are prepped to begin final cryogenic testing at NASA's Marshall Space Flight Center. The telescope will have 18 primary mirror segments. David Higginbotham/NASA hide caption

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Scientists Undeterred By Hubble Successor's Costs

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Framed in the doors of the Kennedy Center's Vehicle Assembly Building, the crawler begins the long journey toward Launch Pad 37B with space shuttle Discovery in April 2005. This enormous cross between a tank and a cargo ship is the largest self-powered land vehicle in the world. NASA hide caption

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Who Will Shuttle The Last Shuttle? The Crawler Crew

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What Shape Are Electrons? Scientists Try To Find Out

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WHO Looks At Destroying Smallpox Stocks

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Space Shuttle Endeavour Embarks On Final Mission

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The Alpha Magnetic Spectrometer is loaded into the vehicle that would take it to the space shuttle launchpad on March 15. The $2 billion cosmic ray detector will be carried to the International Space Station on Endeavour's final flight. NASA hide caption

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On The Shuttle, A $2 Billion Bid To Find Antimatter

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Researchers say that humpback whales are able to swim in remarkably straight lines during their seasonal migrations. They don't yet know, though, how the whales do it. Kike Calvo/AP hide caption

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Steady As A Whale? Humpbacks Swim Straight Lines

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Current laws say that truckers are not supposed to work for more than a 14-hour stretch; only 11 of those hours can be driving hours. Advocates of electronic truck monitors say the technology could help reduce highway accidents. Maggie Starbard/NPR hide caption

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Indie Truckers: Keep Big Brother Out Of My Cab

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