Astronomers used the VLA and MeerKAT radio telescopes to search the Hycean exoplanet K2-18b for alien technosignatures, analyzing millions of signals but finding no confirmed artificial radio transmis ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

A live radio broadcast was interrupted just as a caller made an extraordinary claim . In the Mojave Desert, a lone phone booth rang for years despite standing miles from civilization. And one man ...

The findings suggest that if alien technologies exist, they are probably rare, distant, or long-lasting rather than frequent and nearby. Instead of expecting an obvious signal to appear soon, ...

A recent study by EPFL finds that extraterrestrial signals in the Milky Way are likely rare and distant, with few detectable transmissions reaching Earth at any time ...

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On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...

For decades, scientists have been actively searching for signs of extraterrestrial life. Fromradio waves to laser flashes and ...

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp ...

If a genuine extraterrestrial signal ever arrives, the hard part may not be detecting it, but understanding what it means. That is the central idea behind a NASA History Series book that explores how ...