The object is expected to make its closest approach on December 19, 2025, passing by at a distance of approximately 167 ...

A viral video of 3I/Atlas has sparked wild theories, but space scientists break down the real science behind it.

Three observations emerge from the latest forensic analysis that demand immediate scientific attention: The object displays ...

The arrival of 31/ATLAS, an extraordinary Interstellar Visitor, has ignited waves of online speculation and conspiracy ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

NASA confirms hydrogen detection from 3I/Atlas using MAVEN, providing new clues about the interstellar comet’s makeup.

NASA unveiled close-up pictures on Wednesday of the interstellar comet that’s making a quick one-and-done tour of the solar ...

NASA is defending the quality of its newly released HiRISE images of interstellar object 3I/ATLAS after a wave of sharper amateur photographs began circulating online, prompting comparisons that place ...

SpaceX launched another batch of Starlink satellites early Saturday, the record 101st flight this year from Florida's Space ...

Earlier this week, NASA officials released long-delayed images of interstellar visitor 3I/ATLAS.

Rumors of its biological origins have been greatly exaggerated, but comet 3I/ATLAS is still very worth paying attention to.