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 ...

A group of Chinese scientists is diving deep into the cosmos in search of alien radio signals from the TRAPPIST-1 star system, which might house planets that could support life. This is no small feat, ...

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

The hunt for intelligent life beyond Earth has quietly entered a more exacting phase, and one small, cool star has become a ...

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 ...

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 ...

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

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 ...

The comet 3I/ATLAS is taking a long holiday journey this year. It's visiting from another solar system altogether. It's the third interstellar object recorded passing through our solar system.

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

The comet 3I/ATLAS is taking a long holiday journey this year. It’s visiting from another solar system altogether. Those interstellar origins... What to know about the 3I/ATLAS comet and why people ...