Humans have been searching the stars for alien radio signals for decades — and so far, E.T. has not phoned home. But that doesn’t mean intelligent life isn’t out there, a new study hints. Rather, ...

Space is full of electromagnetic radiation like radio signals, but those signals are usually coming from stars or black holes, not planets.

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system. New research suggests that radio emissions from intelligent aliens may be ...

For the first time, astronomers have detected radio signals from a planet beyond our solar system, according to a study available on the preprint server arXiv. The landmark observation offers a new ...

Staring into the starry night sky convinces many of us that we can’t be alone in this universe. So far, astronomers have been looking for alien signals in a specific part of the radio spectrum, which ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, ...

Add Yahoo as a preferred source to see more of our stories on Google. A high-frequency SETI search using ALMA opened new radio bands and showed that past surveys may have covered millions more stars. ...

Scientists around the world have spent decades pointing radio telescopes at the sky, hoping to catch that one signal proving we’re not alone in the universe. But now researchers at SETI are asking: ...

We’ve been wondering if we are all alone in the universe for thousands of years. It hasn’t been until recently that we began a determined search of the heavens to see if extraterrestrial life is ...

Could the interstellar object 3I/ATLAS exhibit technosignatures, or signals of alien technology? This is what a recent study published in The Astronomical Journal hopes to address as a team of ...

Astronomers searching for signs of extraterrestrial intelligence may have been missing alien signals in part of the radio spectrum that has not recently been explored. Most radio SETI (Search for ...

ALMA's DV-59 antenna in the foreground with multiple other antennas observing the sky in a night dominated by the Moon. Astronomers searching for signs of extraterrestrial intelligence may have been ...