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The Skylon space plane just got that much closer to reality

It's been a while since we last reported on the British Skylon space plane — a reusable launch vehicle that will be powered by a two-in-one air-breathing rocket engine that can boost the plane to Mach 5.5 and a height of nearly 30 km (18 miles). The latest news is that the theoretic Sabre Engine ain't so theoretic… »11/28/12 2:40pm11/28/12 2:40pm

Penny-sized "microthrusters" could propel tiny satellites

Space engineers are excited by the prospect of designing and sending tiny ‘cubesats' into orbit — small-scale satellites that are cheap to build, easy to put into space, and can perform highly specialized tasks like clearing out space junk. The problem, however, has been in figuring out a way to reposition these… »8/20/12 7:50am8/20/12 7:50am