NASA kills one of its most trusted satellites

With so many pieces of high-tech hardware at its disposal, it's easy to forget that some of NASA's most impressive machines are rapidly aging. The Spitzer Space Telescope is one of those machines, and after over 16 long years in space, the trusty spacecraft is now finally being retired. NASA announced on Thursday that Spitzer had officially be placed in safe mode, effectively halting all science observations. This was the final step toward decommissioning the spacecraft, and Spitzer's Project Ma...