(CBS) --Chicago drivers can now pay to park at some meters with an app. A new program is being test-driven this week. The pilot program, which will last two to three weeks, is being conducted in the ...

SpaceX’s Grasshopper took a 12-story leap towards full and rapid rocket reusability in a test flight conducted December 17, 2012 at SpaceX’s rocket development facility in McGregor, Texas. Grasshopper ...