Model X-37B might look familiar to you -- it was the name of an autonomous space vehicle that took flight just about a year ago, orbited for a whopping eight months, and then successfully returned to our planet all by itself. Now a new version of the X-37B has blasted off to hang outside of the atmosphere for a while. The spacecraft left Cape Canaveral Launch Complex 41 down in Florida and hurtled to a low-Earth orbit with help of a Atlas V rocket. Boeing isn't saying exactly what it's doing up there, but we su
