The Wow! Signal: Alien Message, Cosmic Fluke, or SETI’s Best False Alarm?

For 72 seconds, the universe seemed to answer SETI. The Wow! Signal was strong, narrowband, and strangely convincing... but it never came back. So what actually happened in 1977?

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Credits:

The Wow! Signal: Alien Message, Cosmic Fluke, or SETI’s Best False Alarm?

Written, Produced & Narrated by: Isaac Arthur

Graphics: Ken York & Sergio Botero

Select imagery/video supplied by Getty Images

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