Signals

High-Resolution Imaging of Dyson Sphere Candidate Reveals no Radio Signals

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In the more than sixty years where scientists have engaged in the Search for Extraterrestrial Intelligence (SETI), several potential examples of technological activity (“technosignatures”) have been considered. While most SETI surveys to date have focused on potential radio signals from distant sources, scientists have expanded the search to include other possible examples. This includes other … Read more

SETI Researchers Double-Checked 1 Million Objects for Signs of Alien Signals

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We can’t help ourselves but wonder about life elsewhere in the Universe. Any hint of a biosignature or even a faint, technosignature-like event wrests our attention away from our tumultuous daily affairs. In 1984, our wistful quest took concrete form as SETI, the Search for Extraterrestrial Intelligence. Unfortunately, or maybe fortunately, SETI has turned up … Read more