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 ...

I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it ...

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

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

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

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 ...