NASA's Curiosity rover has a pet rock on Mars
 

NASA's Curiosity rover has a pet rock on Mars
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Mars is probably a pretty lonely place.*

The red planet is littered with rusty red rocks and, as far as we k**w, devoid of any kind of life. But even so, rovers still roam the surface of the world on humanity's behalf, making their solitary treks along previously unexplored paths.*

And sometimes, they make friends.*

SEE ALSO: NASA photo captures the loneliness of the Mars Curiosity rover


NASA's Curiosity rover — which has been exploring the red planet's Gale Crater since 2012 — appears to have a little pet rock caught in one of its wheels.*

The rock got stuck in the right front wheel at some point in the last couple weeks, but scientists aren't exactly sure when it started hitching a ride because the rover doesn't snap photos of its wheels every day. Read more...

More about Nasa, Science, Mars, Space Photos, and Curiosity Roverhttp://feeds.feedburner.com/~r/Mashable/~4/TvJxf9AV3aM