With Voyager 2 in the background, John Casani holds a small U.S. flag that was sewn into the spacecraft's thermal blankets ...

"Being off even a little bit represents hundreds or thousands of kilometers in distance on the surface of the Earth." ...

Venus Lacy rumbles down Venus Lacy Parkway in a tan Suzuki Aerio with 264,770 miles on its odometer. In her rearview mirror ...