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Mini Mercury skipped across the vast, glaring face of the sun Monday in a rare celestial transit.
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Fifty years ago, an estimated 530 million people gathered around their TVs to watch astronauts take off from Cape Canaveral's Kennedy Space Center on the…
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In Part 1 of the series Total Failure, a former NASA official recalls the disastrous mission of the space shuttle Columbia in 2003 and how the accident changed his life forever.