Stick Figures on Mars

NASA’s Curiosity Mars rover has spotted a set of mysterious ‘stick-like figures’ on the red planet.

In a photo shared to the rover’s Twitter account this week, NASA revealed a look at the unusual formations recently discovered on the face of a Martian rock.

It’s unclear what exactly created the quarter-inch-long ‘stick-figures,’ though the space agency says they could be crystals or minerals left in the gaps where crystals dissolved. read more