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Space Archaeology » Entries tagged with "Palaeocontact"

Review: ‘Footprints of alien technology’, by Paul Davies

Since the search for extraterrestrial intelligence began, astronomers have been trying to answer the question “Are we alone in the universe?” in two ways: by listening for deliberate messages, and by looking for physical evidence – the products and byproducts – arising as a consequence of extraterrestrial civilization. The latter search, called xenoarchaeology on this site, has explored a number of strategies such as hunting for orbiting probes, artificial structures on planetary surfaces, and astroengineering projects such as Dyson spheres. Paul Davies of the Beyond Center at Arizona State University has just published a paper in Acta Astronautica promoting the search for more subtle traces of nonhuman civilization, and asking that the entire scientific community be on the lookout. His paper covers a number of astrobiological issues such as the need to refine the … Read entire article »

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