Interstellar comet 3I/ATLAS will make its closest approach to Earth on Friday. New X-ray images could shed light on its composition.

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's everything to know about it.

3I/ATLAS, an interstellar object identified by NASA as a comet, will swing by Earth in its closest approach this week. Scientists have been tracking the comet’s grand tour of our solar system since it ...

Weeks after a rare interstellar comet made its closest pass to the sun, it will make it’s closest pass to Earth. The comet has traveled billions of miles through other systems in space. Its orbit is ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as close to Earth as ever.

Astronomers are thrilled by new Hubble images of interstellar comet 3I/ATLAS, revealing two distinct jets of material ...

Comet 3I/ATLAS, only the third known object from interstellar space to pass through our solar system, is about to make its closest approach to Earth. On Friday, Dec. 19, it will come within about 170 ...

I/ATLAS interstellar comet or alien spacecraft? NASA released new images of comet 3I/ATLAS after a rare flyby near Earth. Scientists explain what the object is, how to see it today, and why it matters ...