SETI finds no evidence of alien tech
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Astronomers swept millions of candidates and found no alien signals from K2-18b, setting the first power limit on any transmitter there.
The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.
Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around other stars could be scrambling even intentionally narrow ...
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'Rosetta Stone' radio signal helps scientists decode strange, repeating blasts from space
Radio astronomers have decoded a peculiar repeating radio signal from deep space, tracing it to a vampiric binary star system.
Scientists hunting for radio signals from any form of advanced extraterrestrial life that might be out there trying to contact us are now starting to wonder if something has been messing with their work. A new study published by researchers at the SETI ...
If advanced aliens lived on a planet within a few hundred to a thousand light years away from Earth, then vast numbers of their signals must already have crossed Earth without being noticed, a new study finds. Astronomers have searched the skies for signs ...