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. 19, 2025, 3I/ATLAS flew by Earth and did more than just give astronomers something to look at; it brought a piece of ...

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.

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

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

A group of Chinese scientists is diving deep into the cosmos in search of alien radio signals from the TRAPPIST-1 star system ...

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 ...

Well, please think about it. In your comm scenario, you have established some first principles, good for you. A few physical constants, a numerical system perhaps, great! That's basically taken you a ...

Ever since astronomers first detected interstellar comet 3I/ATLAS in July, speculation about its true nature has run wild. Some experts speculate it isn’t a comet at all but rather an extraterrestrial ...