A few years back, a radio telescope in Australia picked up a radio signal that seemed to be coming from a nearby star. One possibility? Aliens! NPR science correspondent, Geoff Brumfiel, joins the show to talk about the signal and how a hunt for extra-terrestrial life unfolded.

Check out the work from Sofia Sheikh and her team at the Berkeley SETI Research Institute about what they learned from the signal: https://bit.ly/3rM6hCo

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