SETI discovery suggests alien messages have already reached Earth—but we kept missing them

Institute have identified a physical mechanism that could finally explain the galaxy's radio silence, suggesting that ...
NBC New York

Radio scans find no alien tech from the latest interstellar comet

The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to be completely natural and free of any alien tech. The SETI Institute said ...