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

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

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

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

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

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

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it ...

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

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 ...

For the first time in the history of observations, astronomers have recorded the merger of three galaxies, each of which ...