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 ...

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

What followed was a series of careful and sensitive radio searches on the interstellar visitor. The result, however, was ...

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 ...

The first pulsar was discovered in 1967 by Jocelyn Bell Burnell. Finding these mysterious signals forever changed astronomy.

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, all but confirming that it has natural origins.

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 ...

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 ...