According to some of the latest evidence and photos from Mars, there is a valve hidden in some soil in the latest picture. NASA has been sending Curiosity (the probe) to check out the red planet to see what they can put together with the images.

The images are convincing and when put side by side with a vintage valve it matches pretty closely. However, critics say when looking at pictures of the rover you can notice casings that look the same.

So is it old technology, or is it proof that life once existed? Putting it together with the fact that NASA has found proof of water running on the planet this may be how the water ran and maybe dried up.

Here's the movie: