In a disappointing but not altogether surprising turn of events, a previously detected signal from space that was thought to have possibly been a sign of extraterrestrial intelligence has been determined to have actually originated here on Earth by way of radio frequency interference. The instructive case reportedly began last October when a scientist with the Breakthrough Listen project spotted a curious signal in data that was collected by Australia's Murriyang radio telescope as it observed the sun's nearest neighboring star Proxima Centauri. The organization, which is aimed at looking for signs of ET intelligence in space, quietly set about investigating the discovery before news of what they had found came to light at the end of the year.
More on this story at the Coast to Coast AM website.