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

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

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

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

Scientists have long thought there are a series of pyramid-like structures on Mars, with recent images showing one that could ...

Nasa’s Curiosity rover has been investigating the spider-web-like rock formations found on Mars – and found mysterious egg-like structures. Newly issued images show giant zig-zagging ridges, known as ...