Starlust on MSN
Mysterious radio signal potentially from a distant 'super-Earth' puzzles scientists—is it alien?
Strange radio signals have been detected from the direction of K2-155 d, about 238 light-years away. Here's what it could mean.
The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...
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