If E.T. has been trying to phone us since returning home, he can stop. After four years of scanning the skies for radio signals that might be evidence of extraterrestrial intelligence, the Allen ...

Researchers from the search for extraterrestrial intelligence (SETI) may have figured out why we have not detected any alien ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

The "Breakthrough Listen" initiative listened in on 1,300 star systems and found no sign of E.T. But the search is set to expand. The search for extraterrestrial intelligence, or SETI, is a numbers ...

An international team of researchers looking for signs of intelligent life in space have used artificial intelligence (AI) to reveal eight promising radio signals in data collected at a U.S.

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

People have been looking up at the Milky Way for thousands of years, marveling at its vastness. It was only a matter of time before they began to wonder if life similar to ours could exist on the ...

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

Add Yahoo as a preferred source to see more of our stories on Google. A yellow oval is intersected by the outline of a darker brown/yellow circle. inside the oval three vertical and one horizontal ...

A challenge facing alien hunters is discerning natural from artificial signals, but new research suggests we're better equipped than we thought. Reading time 3 minutes An encouraging new study has ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...