What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

The uncommon interstellar visitor, comet 3I/ATLAS, is captivating astronomers worldwide as it races through our solar system ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But mitigating this is its far greater distance, plus the fact that Earth appears much ...

Interstellar comet 3I/ATLAS made its closest pass of Mars on Oct. 3, and Europe’s Red Planet spacecraft were ready for it.

The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

3I/ATLAS is named for its status as one of three interstellar objects ever discovered in our cosmic neighborhood, as well as ...

Lemmon and SWAN — plus a meteor shower are gracing October 2025 skies, weather-permitting. Learn the best times and ...

Interstellar comet 3I/ATLAS, one of only three such objects detected, is drawing significant scientific attention as it ...

Look up this week to get a glimpse of Mars, it’s making a “close approach” of Earth right now. On October 13, the Earth is directly in the middle of the sun and Mars. Mars is traveling close to the ...