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Watch Northrop Grumman's 1st 'Cygnus XL' cargo spacecraft leave the space station on March 12
Northrop Grumman's first "Cygnus XL" cargo ship will depart the International Space Station Thursday morning (March 12), and you can watch the action live.
New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.
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