A comet from another star system is sweeping through our cosmic backyard and, for the first time, astronomers have picked up ...

Astronomers scanned the interstellar object 3I/ATLAS for alien signals using the Green Bank Telescope, but found none. The object behaves like a normal comet, made of ice, dust and rock, yet studying ...

Radio signals have been travelling through space since 1906, forming Earth’s radio bubble. Now 119 light years wide, it covers about 75 star systems, the signals fading into noise ...

The long, quiet search for radio whispers from Comet 3I/ATLAS has finally paid off, and the result is as dramatic as the hype ...

A legendary signal from deep space, once dismissed by some as statistical noise, has just become even more mysterious.

The most sensitive radio scan in history found no signs of alien tech on interstellar object 3I/ATLAS. Discover why this ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

On Dec. 18, just 24 hours before its closest approach, the Green Bank Telescope scanned frequencies from 1 to 12 GHz. Their ...

Want to be a top notch candidate for hosting alien life? Then there's a few key requirements you should be aware of: Ideally, you're a large object like a moon or a planet; scientists suspect you also ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, confirming what most ...

(via Cool Worlds) What is the most realistic way we'll detect an alien civilization? If the history of science and astronomy is any guide, there is a clear answer: The Eschatian Hypothesis.

At the heart of every camera is a sensor, whether that sensor is a collection of light-detecting pixels or a strip of 35-millimeter film. But what happens when you want to take a picture of something ...