For four decades, many SETI experiments have focused on finding sharp spikes in frequency but the new study says signals may not stay narrow as they travel away from their home system.
Art of the Problem on MSN
How scientists would recognize an alien signal, the mathematics of language, Zipf’s law, and information entropy
How would we recognize a message from an alien civilization if we cannot understand its language? By combining information theory, Zipf’s Law, and studies of human and dolphin communication, ...
New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...
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 ...
Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.
Modern Engineering Marvels on MSN
An alien signal might arrive as a civilization’s dying echo
“The universe is not as quiet as we were told.” The line belongs to a dramatic retelling of a disputed signal claim, but it captures a sober scientific problem: the first technosignature humanity ...
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 ...
Institute has found that we may have missed transmissions from intelligent alien life for a very benign reason. SETI’s searches are focused only on very narrow signals, so the organization typically ...
We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.
Elizabeth Troutman Mitchell is the White House Correspondent for "The Daily Signal." Send her an email. President Donald Trump announced that he is directing his administration to release government ...
Scientists reveal one key way we might have missed signals from aliens - ‘Smearing’ of signals could mean that there are messages we are missing, researchers say ...
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