Hidden Aliens on Mars?

How would you justify hidden aliens on Mars, which no one on Earth has discovered yet?

I was thinking over it, and having them be primitive or highly advanced seems a necessity. The latter gives access to unknown stealth tech and advanced concealment methods, the former means we can't pick up their radiowaves as there are none.

Secondly, it would seem they'd have to not do much on the surface. Maybe the rocks we keep mistaking for faces would be their monuments. Most of their time would be spent underground, and some kind of underground ecosystem may be necessary for Mars?

The aliens in their culture should probably be aware of Earthlings, and not like the Earthlings watching them, and so avoid being seen. Using telescopes beyond their technological expectations. If they watch Earth closely, and pay attention to incoming satellites, they might be able to have a culture focused on avoiding being seen by such. Assuming the humans would kill them all, if they were found out.

Note that I'm not concerned about the aliens evolving on Mars. Just that they can live there and hide.

posted over 7 years ago

J. Doe‭

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