#aliens
2 article(s)
The Fermi Paradox: If the Universe Is So Big, Where Is Everybody?
Billions of stars, billions of years, and yet total silence. One simple lunchtime question still haunts science today.
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The Wow! Signal: 72 Seconds That Still Aren't Explained
In 1977 a telescope caught a burst from deep space so striking that an astronomer circled it and scrawled one word. We've never heard it again.
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