Latest / Lost Civilizations: Ancient Aliens & Forgotten History
The Wow! Signal: 72 Seconds We Still Can’t Explain
In 1977, a radio telescope in Ohio detected a signal from deep space so unusual that astronomer Jerry Ehman circled the data in red ink and wrote one word beside it: WOW!
The signal lasted just 72 seconds. It was extraordinarily strong, narrowband, and appeared near the hydrogen line—a frequency scientists had suggested an intelligent civilization might use to contact us. But the signal was never detected again.
For nearly 50 years, the Wow! Signal has remained one of astronomy’s greatest mysteries. Was it an unknown natural phenomenon, interference, or possibly a transmission from another…
The skinny
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