It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Astronomers scanned the interstellar object 3I/ATLAS for alien signals using the Green Bank Telescope, but found none. The ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

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

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 ...

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 ...

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

Imagine that you’re an astronomer conducting a radio survey of the heavens. Maybe you’re searching for pulsars, or radio galaxies, or just mapping neutral hydrogen. Then, out of nowhere, you detect a ...

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 ...

MUNICH — "It was gnarly. Dangerous. Only the most experienced could surf it," says Jakob Netzer of what local surfers have come to call the "E1," an ever-churning wave along a mountain stream that ...