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 ...

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. Turbulent star environments may broaden alien radio signals, making them harder for SETI to detect. (CREDIT: Shutterstock) Radio ...

The Very Large Array is a collection of 27 radio antennas located near Socorro, New Mexico. Each antenna in the array measures 82 feet (25 m) in diameter and weighs about 507,000 pounds (230 metric ...

For thousands of years, humanity has looked up at the stars asking the same question. Are we alone? Then one day, it finally ...

When/if alien life ever cruises toward Earth in big spaceships, we’re probably not just going to see it; we’re going to hear it via narrow radio signals. If an extraterrestrial civilization wanted to ...

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 ...

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 ...

It's difficult to believe that, given the enormous extent of outer space around us, there aren't other life forms out there. Humanity has long been intrigued by the idea, with movies, books, and TV ...

What steps can be taken to identify why we haven’t received radio signals from an extraterrestrial intelligence, also called technosignatures? This is what a recent study published in The ...

"Natural astrophysical processes rarely generate extremely narrow spectral features while engineered transmitters often do," writes a team of astronomers including first author Zi ...

The search for alien radio signals has spent decades listening in a familiar part of the spectrum. A first-of-its-kind survey now suggests that unexplored higher frequencies could widen the hunt, ...