msnbc.com: Space

Einstein was right: General relativity confirmed

An image of a galaxy cluster in the Sloan Digital Sky Survey, showing some of the 70,000 bright elliptical galaxies that were analyzed to test general relativity on cosmic scales. 



  Score one more for Einstein. A new study has confirmed his theory of general relativity works on extremely large scales.

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Female space pioneer promotes science careers

American physicist Sally Ride achieved lasting fame in June 1983 when she became the first American woman to travel in space as a crew member of the Space Shuttle Challenger.



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SpaceX aborts rocket engine test

Space Exploration Technologies aborted a test firing of its Falcon 9 rocket on Tuesday, in what was to be a key milestone in its quest to fly cargo -- and eventually astronauts -- to the International Space Station.



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Orbiting stars circle each other in minutes

The smaller, though heavier white dwarf in HM Cancri pulls gas away from its larger companion. The stars orbit each other in a record 5.4 minutes.After a decade of mystery, astronomers have now shown that a pair of white dwarf stars spin around each other in just 5.4 minutes, making them the fastest-orbiting and tightest binary star system ever found, the researchers claim.

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SpaceX fires rocket engines in quest to fly cargo

Space Exploration Technologies fired up the engines of its debut Falcon 9 rocket on Tuesday, a key milestone in its quest to fly cargo -- and eventually astronauts -- to the International Space Station.



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Buzz Aldrin, 80-year-old veteran of the first moon landing by Apollo 11, is facing a much more down-to-Earth challenge as a contestant on the new season of TV's "Dancing With the Stars."

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NASA: Money key to more space shuttle flights

With space shuttle retirement just months away, a senior NASA manager said Tuesday it wouldn't be hard to add more flights, provided the nation is willing to keep paying $200 million a month.



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