Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...
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First alien signal may be a civilization’s final cry
Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping ...
Humanity experiences unprecedented peace and happiness in Apple TV+’s ‘Pluribus,’ after an alien virus arrives in the form of ...
SETI Institute Tracks ‘Twinkling’ Pulsar Signals to Sharpen Cosmic Clocks and Hunt for Alien Signals
SETI scientists observing a pulsar’s radio pulses over time are redefining how astronomers time pulsars and search for ...
Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...
On Dec. 19, 2025, 3I/ATLAS flew by Earth and did more than just give astronomers something to look at; it brought a piece of ...
Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.
Astronomers have been scanning the skies for alien radio signals for decades, but so far they’ve heard nary a peep (with one possible exception). But according to a recent study, that could be because ...
Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.
On August 15, 1977, the Big Ear Radio Telescope in Delaware, Ohio, received the most powerful signal it would ever detect during its decades of observations. The signal lasted just 72 seconds, but ...
MeerKAT telescope identified 3I/ATLAS as a natural comet, debunking alien tech theories with advanced hydroxyl and ...
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