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 ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

A NASA-backed study reveals that alien civilizations could detect human signals sent to spacecraft. Radio transmissions aimed at Mars rovers and orbiters aren't fully contained, creating a 'spillover' ...

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

This year, the US Congress has heard testimonies from "UFO witnesses", suggesting there is more evidence than ever of attempts by alien intelligence to make contact with Earth. But what have been the ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

The scientists from Swinburne University in Melbourne achieved a world first when they managed to capture alien radio signals tearing through space in real time. While there have been nine recorded ...

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