The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close. Interstellar ...

In the most recent observation Nov. 30, 3I/ATLAS was approximately 178 million miles from Earth. Astronomers confirm that the ...

Wondering what 3I ATLAS is all about? Here's what to know as interstellar comet 3I/ATLAS nears Earth this week, when to watch ...

With 3I/ATLAS just days away from making its closest approach to Earth, agencies around the globe are conducting the largest ...

The interstellar comet 3I/ATLAS is making its closest approach to Earth on Dec. 19. Learn about the 'reconnaissance mission' ...

On July 1st, 2025, the third interstellar object (ISO) ever detected was seen making its way through our solar system.

Tracking comets accurately is hard. A new effort with the U.N. and NASA aims to better chart these visitors using 3I/ATLAS.

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a ...

I/ATLAS is a comet with a bright coma and visible tail, typical of interstellar objects. It made its closest approach to the ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Over a month after its perihelion, or closest pass of the Sun, observations still clearly show 3I/ATLAS' "anti-tail." ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...