Astronomy
The Wow! Signal: Did We Hear Something From Space?
In 1977, a radio telescope detected a mysterious signal from deep space. Nearly 50 years later, scientists still don’t know exactly what caused it. That signal’s story reveals how humanity’s search for extraterrestrial intelligence has evolved—and why we’re still listening. The 72 Seconds That Changed the Search for Aliens On August 15, 1977, a radio […]
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