A supposed square structure spotted on Mars sparked speculation about alien archeological sites on the red planet. It's a fun ...

Among the weirder photos are ones purporting to show an "alien boot," a flying UFO, a mysterious doorway, metallic wreckage, a rock shaped like a human face, other strange carvings, an "alien" statue, ...

A Mars image shows a strange square formation. Some think it's artificial, but experts suggest natural causes.

Every so often, Mars rovers and orbiting spacecraft snap pictures that make us do a double take. The Red Planet has a knack ...

A mysterious square structure has been discovered on Mars, sparking interest and numerous speculations among space enthusiasts. The internet has been flooded with conspiracy theories after an "ideal ...