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

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.

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 ...

The most startling revelation regarding 3I/ATLAS concerns its age. Associate Professor Michele Bannister of the University of ...

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

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 ...

A federal judge on Monday said the U.S. government denied due process to the Venezuelan men it deported to a prison in El Salvador in March after President Trump invoked the Alien Enemies Act. The ...

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 ...

But now, they're planning to build telescopes on the far side of the Moon. These instruments will probe one of the last unexplored windows on the Universe. Here, astronomers hope to get a glimpse of ...