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Welcome to the Extraterrestrial Wiki, a site dedicated to surveying the landscape of

Your constructive participation is welcome!

Evaluating the evidence

Each page and every paragraph or item on a list is a data point in this field where clear and convincing evidence is not universally witnessed. The sum of every concept and testimony does accumulate to a set of information for which each particular must be examined for legitimacy, and some will fall short and opinions will hold sway. These questions ^[1] apply to every particular perspective and point of evidence about or communications from extraterrestrials:

Is it observable?
Is it plausible?
Is it supportive and empowering for humanity?

Evaluating off-world messages

"Are these emissaries really presenting something new or are they just presenting themselves and using what seems popular or conventional or even radical in the moment, yet well documented from before? Is there real substance and merit to their presentation?”^[2]