They’re hole-ar powered. If super-advanced alien civilizations exist, they would surely require insane amounts of energy to ...
Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that ...
One of the challenges of searching for technosignatures (i.e., signs that intelligent life somewhere in the universe has ...
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Could alien civilizations be slowing down stars to harvest their hidden energy?
A new study published as a preprint on arXiv suggests that advanced extraterrestrial civilizations might not need to surround ...
Looking ahead: Existing radio surveys may contain signals that were never recognized as potential technosignatures. New ...
Researchers are zeroing in on more deliberate “narrow-band” alien signals, well outside the radio frequencies SETI has ...
“There is a silence in the night sky that has bothered me for as long as I can remember.” That line, attributed to Richard Feynman, lands because it gets at a simple, stubborn feeling. The sky looks ...
Astronomers may have been listening for alien civilizations in only a small slice of the radio spectrum while overlooking a largely unexplored range of higher frequencies. Using archived data from the ...
The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper. Reading time 3 minutes In our search for life beyond Earth, we might ...
Black holes can release enormous energy through hot disks, surrounding plasma and powerful jets, enough to support a ...
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