NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn that current tools and mission designs are likely missing subtle, but ...

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Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

For decades, the search for extraterrestrial intelligence has been defined more by silence than discovery, but that balance may be starting to shift. As new telescopes, algorithms, and theoretical ...

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 ...

The story of comet 67P/Churyumov-Gerasimenko and the European Space Agency's Philae spacecraft just got a whole hell of a lot more interesting. After a semi-botched landing resulting in the spacecraft ...

(Left to right) Author David Childress, researcher Jason Martell, investigative mythologist William Henry, ancient literature expert Ariel Tzadok, and "Ancient Aliens" producer Max Thompson on a panel ...