The Search for ExtraTerrestrial Intelligence (SETI) continues to listen for radio signals and has found nothing to report. But. A survey of the sky looking for planets may have found evidence of a civilization. There isn’t much to see, which is part of the point. Planets can be found by watching a star periodically dim. One star seems to have a pattern of dimming that is difficult to explain through natural causes but could be explained by a cloud of massive orbiting structures. Swarms of solar collectors and orbital environments have been proposed as one scenario for a large, technological civilization. Both the natural and artificial possibilities will be tested and challenged. But now we have something to look for and look forward to.
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