When astronomers first spotted a faint, fast-moving object racing through the outer Solar System in mid-2025, few expected it to challenge what we know about cosmic history. Now known as 3I/ATLAS, the ...

3I/ATLAS, the third known interstellar object to enter our solar system, after 'Oumuamua (discovered in 2017), was the first such object, and the second was 2I/Borisov (discovered in 2019). It is set ...

An interstellar comet first spotted passing through our solar system in July is beginning its departure from our corner of the universe — but first it will fly by Earth, and scientists are capturing ...

Stargazers and scientists are getting a holiday present from the cosmos this week. 3I/ATLAS, an interstellar comet, will get “closest” to Earth on Friday, December 19, as part of its journey across ...

Interstellar comet 3I/ATLAS will pass safely by Earth on December 19. A rare interstellar comet named 3I/ATLAS is set to make its closest approach to Earth on December 19, passing at a safe distance ...

The interstellar comet 3I/ATLAS will reach its closest point to Earth on December 19, giving astronomers a closer look at the mysterious visitor before it leaves our Solar System forever. The ...

A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as 3I/Atlas will pass within ...

Time moves fast. 260 years can zip by in the blink of an eye. That’s how long it took me to fly from the failing Earth of the far future to humanity’s new home upon the Interstellar Arc. One second, I ...

Here’s what you’ll learn when you read this story: Our brain’s evolution makes it nearly impossible to commit to a multi-generational mission like interstellar travel, says one evolutionary ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is hiding it from Earth When Comet 3I/ATLAS roared into the solar system this ...

The interstellar object 3I/ATLAS is, once again, doing something strange. This interloper from another star is currently concealed from view behind the sun, leading some people to wonder what it has ...