Curiosity: NASA's Epic New Mars Rover

Mars rovers "Spirit" and "Opportunity" were successful beyond NASA's wildest dreams. Now they're building a new, nuclear-powered Mini Cooper-sized rover to be lowered onto Mars by a hovering drop ship in 2013. Meet "Curiosity," the new Mars Science Laboratory. » 2/17/10 5:30pm 2/17/10 5:30pm

NASA's Spirit Mars Rover Is In A Bit Of A Bind

After five years on martian soil, everyone's favorite Mars rover might be done for good if NASA's engineers can't figure out a way to remove her from the rock-studded soft Martian soil. » 6/10/09 4:00pm 6/10/09 4:00pm