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A US government-backed telescope heard a signal from deep space - then the UFO debate exploded

In 1977, a US-backed search for alien signals detected a 72-second radio burst from deep space that was about 30 times ...
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Scientists Discover ‘Clean Zone’ in Space That Could Reveal Alien Artifacts — Right in Earth’s Shadow

Astronomers are adopting new strategies in the search for extraterrestrial intelligence. A study in Monthly Notices of the Royal Astronomical Society suggests using Earth’s shadow to detect alien ...