Mysterious structure spotted in NASA Mars photo sparks theories of lost civilization on the Red Planet

Theory Briefing

• A gap in Martian rock appeared large enough for a person to walk through, instantly sparking claims of an artificial, human-made structure.
• The image fueled theories of a lost civilization on Mars, showing how a single ambiguous photo can ignite sweeping historical narratives.
• NASA's own scientists likely favor a natural geological explanation, putting them at odds with the online theorists treating the photo as a smoking gun.
• The episode mirrors a long pattern of Mars anomalies — from the Face on Mars to pyramid shapes — where unusual geology gets recast as architecture.