The featured part of Mars is known as Elsie Mountain and the images were snapped on sols – Martian days – 364 and 349.
Directly behind the triangular rock and to its left are two boulders Mr Waring thinks are alien faces.
He said: “The faces are very primitive in design. One face has a helmet and two long ears sticking out, and a face with two eyes and a nose.
“The detail is poor, but who am I to judge what’s beautiful or not on their Martian culture.
“There is also another face to the far left. It has a helmet and ear ... Read even more