Interstellar comet 3I/ATLAS will soon reach its closest distance to Earth, so this may be our last, best chance to see this rare object before it heads back out into the universe, never to return. One ...

This striking image from the science camera on ESA's Jupiter Icy Moons Explorer (Juice) shows interstellar comet 3I/ATLAS ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

Here’s how to keep your 3I on it. With 3I/ATLAS slated to make its Earth tour in two days, amateur photographers and astronomers alike are scrambling to catch sight of the interstellar comet. Our ...

Our third known interstellar visitor, comet 3I/ATLAS, will reach its closest point to Earth today, December 19. It will still be pretty far away, at 270 million kilometers (168 million miles) away, ...

An interstellar comet named 3I/ATLAS, originating from outside our solar system, is passing through. NASA recently released new images of the comet, which is being studied by astronomers worldwide.

Editor's note, Dec. 19 at 10:00 a.m. ET: Comet 3I/ATLAS officially passed its closest point to Earth last night and is zooming away from us for good. However, due to rainy conditions in Italy, the ...

The interstellar comet 3I/ATLAS will reach its closest point to our world Dec. 19 and people will be able to observe it from home with telescopes on the ground, according to NASA. Since it was ...

Interstellar visitor 3I/ATLAS is travelling away from the sun on its way back to interstellar space. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Benevolent interloper or interstellar poison pill? With 3I/ATLAS set to fly by Earth in two weeks, Harvard professor Avi Loeb is debating whether our interstellar visitor is friend or foe — an answer ...