The $2.5 billion Mars rover Curiosity landed on the Red Planet Mars on Aug.5, 2012 and is expected to spend at least two years exploring its Gale Crater landing site. The rover is designed to determine if the Red Planet could have ever supported microbial life and if humans could survive there someday!
NASA’s Mars rover Curiosity unfolded its robotic arm for the first time on the Red Planet Monday (Aug. 20) and...