Seventy-five years ago, a group of Dutch astronomers made a remarkable discovery. Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from anywhere nearby. Called 3I/ATLAS, it was travelling so fast and on such an ...

Astronomers at the Search for Extraterrestrial Intelligence (SETI) Institute have identified a physical mechanism that could finally explain the galaxy's radio silence, suggesting that advanced ...

A planet’s radio signal may begin as a sharp tone (left, white) but can be spread out by the star’s surroundings plasma winds into a wider, fainter signal (right, green). The study suggests we may be ...

Add Yahoo as a preferred source to see more of our stories on Google. Enrico Fermi famously asked "Where is everybody?" back in 1950. This research offers a disarmingly simple partial answer: alien ...

This article contains spoilers for the film Disclosure Day. As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters of the Third ...

Preparations are progressing through technical committees tasked with shaping the framework for an inter-party dialogue ahead of the country’s 2026 general elections, a senior official said on ...

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 ...

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 ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology but found nothing beyond human-made interference. Even so, the ...

Nestled in the Great Basin, a remote stretch of the Nevada desert is set to become home to the world’s most sensitive radio telescope array. Subscribe to read this story ad-free Get unlimited access ...