NASA rover finally bites the dust on Mars after 15 years
By MARCIA DUNN, AP Aerospace Writer CAPE CANAVERAL, Florida (AP) — NASA's Opportunity, the Mars rover that was built to operate for just three months but kept going and going, rolling across the rocky red soil, was pronounced dead Wednesday, 15 years after it landed on the planet. The six-wheeled vehicle that helped gather critical evidence that ancient Mars might have been hospitable to life was remarkably