Last Updated: Wednesday, December 25, 2013, 10:36
Two US astronauts successfully fixed a faulty cooling system on Tuesday working outside the International Space Station (ISS).
Last Updated: Saturday, December 21, 2013, 19:54
Two US astronauts today stepped outside the International Space Station for the first of three spacewalks to fix a broken equipment cooling system, NASA said.
Last Updated: Tuesday, January 17, 2012, 12:15
Scientists have stumbled upon tranquillityite, a mineral considered unique to the moon.
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