Curiosity identifies Earth-like rock - and has its first carwash

The first rock to be touched by NASA's Curiosity rover - dubbed Jake Matijevic - turns out to have a very Earth-like composition, different to anything before seen on Mars.

Curiosity rover arrives at unusual rock

NASA's Mars rover Curiosity is taking a break from its drive to Glenelg to examine a football-size rock with its robotic arm.