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

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

I/ATLAS is a natural celestial object with all the qualities typical to a comet. It doesn't just belong to our solar system.

The truth may or may not be out there, apparently.

Discovered in July, 3I/ATLAS is not your average comet – it’s a giant snowball from beyond our solar system. The comet, ...

Three symmetrical jets jutting out of interstellar object 3I/ATLAS are showing up in Hubble observations, puzzling astronomer ...

Is 3I/ATLAS an alien probe? Breakthrough Listen uses the Green Bank Telescope to search for technosignatures as the ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

The central mystery posed by 3I/ATLAS is not merely about whether we are alone, but about the sheer scale of the potential ...

Everyone's favorite interstellar comet, 3I/ATLAS, flew past Earth overnight, coming within about 168 million miles (270 million kilometers) of our planet. When you purchase through links on our site, ...

Tracking comets accurately is hard. A new effort with the U.N. and NASA aims to better chart these visitors using 3I/ATLAS. When you purchase through links on our site, we may earn an affiliate ...