Mysterious square structure spotted on Mars branded 'wild’ has space fanatics completely baffled
An 'square structure' recorded by the NASA's Mars Orbiter Camera in 2001 is currently going viral online - as many wonder what it could be.
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Why we must investigate Phobos, the solar system's strangest object
Next to Earth, Mars may be the most-studied world in our solar system, currently home to a fleet of orbiters, landers and rovers. But above the red sands on which the rovers trundle, a strange ...