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By David S Lewis [embed]https://www.facebook.com/yahoonews/videos/10155077585586037/[/embed] Web news service Yahoo! News broadcast a live spacewalk on its Facebook page yesterday morning.
By Kendra R Chamberlain Many aspects of governance -- from budget approvals to new leaders for federal agencies -- are
NASA, looking to study key drivers of investment in the burgeoning commercial space economy, has selected five proposals to further