On Dec. 18, just 24 hours before its closest approach, the Green Bank Telescope scanned frequencies from 1 to 12 GHz. Their ...

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 ...

A group of Chinese scientists is diving deep into the cosmos in search of alien radio signals from the TRAPPIST-1 star system ...

Researchers used Green Bank Telescope to detect radio signals from 3I/ATLAS just before its closest approach to Earth.

The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos is vast, and there are plenty of places left to look. New research ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, confirming what most ...

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 searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...

SETI scientists observing a pulsar’s radio pulses over time are redefining how astronomers time pulsars and search for ...

Humanity experiences unprecedented peace and happiness in Apple TV+’s ‘Pluribus,’ after an alien virus arrives in the form of ...