For over six decades, the Search for Extraterrestrial Intelligence (SETI) has been tirelessly scanning the cosmos for signs ...
E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...
Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...
Researchers who listen for signs of non-human life say signals ‘can slip below detection thresholds, even if it’s there’ ...
Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...
Lee said SETI’s paper could answer the Fermi Paradox, the idea that if the universe is billions of years old, where are all ...
Scientists hunting for extraterrestrial life believe alien civilisations may indeed be attempting to contact Earth, but ...
Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.