Evidence for Europan life on icy surface and the downside of not contacting ETI

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Abodes - Jupiter's moon Europa has a salty ocean where life could exist. A thick ice shell separates the ocean from our exploration vehicles, and it´s not known how far down we´d need to drill. But why drill at all, when evidence for life could be lying right on the surface? See article.
g Message - There are two interconnected, inverse and direct, problems in concept of extraterrestrial intelligence – Search for ETI by terrestrial intelligence and Messages to ETI from terrestrial intelligence. The key element of SETI is the Object of search, namely Universe, where we hope to detect the ETI and then to decode theirs Messages, and so the essence of SETI is Space Science. In turn, the key element of METI is the intellectual Subject, who creates new messages for potential ETI and hope that They will detect and perceive these Messages, and so the essence of METI is Space Art. Of course, both SETI and METI have both scientific and art components, but it’s important to underline that dominant of SETI is Science, and dominant of METI is Art. Also, the Messages for ETI might content both terrestrial knowledge and art, however scientific objective laws, known to terrestrials probably similar to ETI one, in turn the terrestrial subjective Art is unique and definitely unknown to ETI. See article.
g Aftermath - Here’s an intriguing essay that discusses what might happen if we do too little to contact extraterrestrials; as the authors argue, “…skepticism regarding SETI is at best unfounded and at worst can seriously damage the long-term prospects of humanity. If ETIs exist, no matter whether friendly or adversarial (or even beyond such simple distinctions), they are relevant for our future. To neglect this is contrary to the basic tenets of transhumanism. To appreciate this, it is only sufficient to imagine the consequences of SETI success for any aspect of transhumanist interests, and then to affirm that such a success can only be achieved without trying if they come to us, which would obviously mean that we are hopelessly lagging in the race for galactic colonization.” See article.

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