Could our earliest radio broadcasts have been heard by alien worlds? Researchers suggest the waves have travelled over 100 ...

A radio signal from a star 238 light-years away briefly looked like it might be a sign of alien life, but the astronomers who found it say it’s more likely coming from somewhere on Earth. The signal ...

Scientists searching for advanced alien civilizations have detected a mysterious signal in data from the world's largest ...

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 ...

AI agents now help SETI Institute and Breakthrough Listen to operate radio telescopes and sift through space signals in real time, even before an observation ends.

Finding a signal from an extraterrestrial civilization takes more than just pointing a telescope in the right direction. We ...

Alien signals from 33 star systems: one narrow tone near the red star K2-155 passed FAST telescope filters, but the clues point to interference on Earth.

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 ...

Scientists have detected direct, localized radio emissions from an exoplanet for the very first time. But don't call the Space Force and White House hotline just yet—these signals are not alien ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually powerful radio survey using both the VLA and MeerKAT telescopes. Advanced ...

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 ...