NASA is getting ready to launch its massive, fully expendable rocket for the first crewed flight to the Moon since Apollo. The agency’s new era of spaceflight comes with a few parts from its past, specifically three rocket engines that have previously flown on space shuttle missions.

All good things must come to an end. As the Mercedes-Benz SLS AMG has been a good thing - a very good thing, in fact - ever since its debut in 2009, it, too, is subject to this rule of thumb. Production will cease after 2014, but in order go out with a ...

1 of 350 SLS AMG GT Final Editions is for sale with just 1,717 miles. Highlights include carbon fiber elements from the SLS AMG Black Series, forged wheels, and enhanced suspension. 6.2-liter naturally aspirated V8 engine develops 583 horsepower.