What do extraterrestrial look like?

>>9090762
Old Mars or new Mars?

Pretty much both

>>9090782
New Mars? Exactly as they look now: nothing. I can imagine something to survive there, but it would have a hermetically sealed shell of some kind most likely for the low pressure and almost certainly a very low metabolism. Maybe a metal eater of some kind.

Old Mars is a different story.

>>9090762
Probably single-celled.

Back then in the old times people thought mars had life called, martians. Basically martians maybe lived normally like how we live on earth long ago, not they live in city's and probably use giant machines like tripods or space crafts to get to certain areas, usually I think they could feed on blood, think of a lower animal feasting on human blood, it's what you call martians, not aliens that everyone else prefer

File: anglerfish-teeth.jpg (36KB, 440x352px) Image search: [Google]

36KB, 440x352px

>>9090762
They would have to live in underground oceans/waterways where there's water and energy from geothermal vents.
They'd look like our deep sea sediment-burrowing creatures. Probably albinos or bioluminescent.

I rather prefer Martians than aliens, because you never know what lurks in the undergrounds of mars, there could be city's down there, they may be as concerned about us as we are about them?

>>9092154
They are probably stuck on their version of the internet hotly debating about topics such as "Does surface Mars really exist?" and "What would life in other caves look like if it existed?".

>>9090824
I disagree. Given the chemical composition of Mars, it's more likely they develop sonar-like techniques.