Tesla CEO and Amazon founder vie for dominance of satellite launch market and could influence Nasa plans to return to Moon ...

Blue Origin launched its massive new rocket, sending up a prototype satellite to orbit thousands of miles above Earth.

Jeff Bezos' Blue Origin launched its massive new rocket into space Thursday, successfully reaching orbit on its very first ...

One of NASA’s two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since ...