NASA's daring Swift Boost mission launches June 27 to save the nearly 22-year-old Swift observatory , which is being dragged out of space by Earth's atmosphere. On paper, it seems like the math would be clear. A nearly 22-year-old space telescope, well past its prime, is falling out of space after decades of hunting the biggest explosions in the universe. Rest in peace, right? After all, it would cost NASA $... [7914 chars]