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NASA studies astronaut twins to observe the rigors of space
When you spend nearly a year straight in space, you can expect NASA will want to conduct a good bit of research on you when you return to Earth. The space agency has been doing just that with astronaut Scott Kelly who was in orbit for 340 days. There's no one better to compare Kelly to than his twin brother and fellow astronaut Mark. NASA collected blood and other biological samples to look for any changes a long spaceflight may cause in the human body.
Space Shuttle Endeavour lifts off one last time (video)
NASA's Endeavour shuttle marked its final launch today, lifting off from Cape Canaveral, Florida, a fortnight after an initial takeoff was scrubbed over concerns surrounding an auxiliary power unit heater. A six-member crew lead by commander Mark Kelly and some tiny satellites are on-board for the STS-134 mission, which involves the delivery of the massive cosmic ray-collecting Alpha Magnetic Spectrometer and some spare parts to the International Space Station. NASA's 134th flight is the penultimate mission for the current fleet of shuttle -- Atlantis will liftoff for a final time in July. Video of the smoke-filled majesty after the break.
