Mars has a lot of rocks. In fact, Mars has so many rocks that have undergone all sorts of weathering over the eons that, ...

A strange formation spotted deep within a massive Martian canyon is once again fueling debate over whether something more ...

NASA photos appear to show a pyramid-like structure the same size as Giza on Mars, prompting speculation about whether an ...

The structure is reportedly located in the western region of Candor Chasma, one of the largest valleys on Mars.

IMAGES of an unusual pyramid-shaped structure on Mars that look like those in Egypt have reignited wild theories about aliens ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...