An alien radio signal from K2-155 d? Are there any alien civilizations out there? For several decades, scientists have been searching for evidence that they exist. That effort is collectively known as ...

Space is full of electromagnetic radiation like radio signals, but those signals are usually coming from stars or black holes ...

Researchers earlier this month said they used the MeerKAT radio telescope in South Africa to detect radio waves on Beta ...

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 ...

The discovery could help astronomers determine whether an outer world is suitable for life.

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 ...

Researchers are zeroing in on more deliberate “narrow-band” alien signals, well outside the radio frequencies SETI has focused on for decades. Reading time 3 minutes For over half a century, the ...

Add Yahoo as a preferred source to see more of our stories on Google. In a series of papers, astronomers have compared the "Wow!" signal to similar radio signals detected at Big Ear Observatory in ...

In 1977, the word "Wow!" was written on a single sheet of paper.August 15, 1977.The "Big Ear," a large radio telescope in ...

Radio signals detected at a planet beyond our Solar System ...

In 1977, radio astronomers at Ohio State University’s Big Ear telescope in western Ohio picked up a remarkably intense radio signal from deep space. It came from something exceptionally bright and ...