Intelligent life forms and our solar system

What is the possibility that intelligent life forms with technological capabilities ever existed in our solar system?

Intelligent life forms and our solar system
intelligence alien life forms

By Marina Koren. The Atlantic

Main titles

  • Technosignatures may exist that prove existence of indigenous species.
  • Any evidence may have been erased by shifting techtonic plates.
  • Intelligence species could have arisen in Mars and Venus, before their water evaporated.
  • Any evidence that life existed on Mars could still be found beneath the surface.

Source: https://www.theatlantic.com/science/archive/2017/04/was-there-anybody-out-there/524235/