NASA found a robot arm sticking out of the ground on Mars. This is conclusive proof that robot aliens exist and probobly are flying around space right now on their spaceship Nibiru.
Here's the link, straight from NASA.
http://mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=0173MR0926020000E1_DXXX&s=173
Here's the link, straight from NASA.
http://mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=0173MR0926020000E1_DXXX&s=173