In an effort to detect the radio emissions from a hypothetical extraterrestrial intelligence, it helps to know where to look. Space, after all, is a very big place and the chances of accidentally stumbling across an alien television signal is very low.
So, using data from the Kepler space telescope, astronomers are becoming more focused on "listening" for radio signals coming from stars known (or at least thought) to have planets orbiting them. And it seems the first "candidate" signals have been detected!
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