The 500th ticket to take a ride into space on the Virgin Galactic spacecraft was bought by Ashton Kutcher for $200,000. Richard Branson announced the Virgin Galactic news on his blog saying, “Our 500th future astronaut customer has just signed up! Even better news is that number 500 is Ashton Kutcher. I gave Ashton a quick call to congratulate and welcome him. He is as thrilled as we are at...